Gr 10 Physical Sciences Ch 13: Parallel resistors

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What is a key characteristic of parallel circuits?

Total current is zero

Multiple paths for current (correct)

Different voltage across each resistor

Increased total resistance

What is the voltage across each resistor in a parallel circuit?

Zero voltage

The same as the voltage across the battery (correct)

Dependent on the resistance of each resistor

Half of the total voltage

What happens to the total resistance in a parallel circuit?

It increases with the addition of more resistors

It decreases with the addition of more resistors (correct)

It becomes infinite

It remains the same

How does the current behave in a parallel circuit?

It splits among the different paths Signup and view all the answers

What is the formula for calculating the total resistance in a parallel circuit?

1/Rp = 1/R1 + 1/R2 + ... + 1/Rn Signup and view all the answers

What is the total current in a parallel circuit?

The sum of the currents through each parallel branch Signup and view all the answers

Why do parallel circuits have multiple paths for current?

To provide multiple paths for current to flow Signup and view all the answers

What is the relationship between the voltage across each resistor and the voltage across the battery in a parallel circuit?

The voltage across each resistor is the same as the battery voltage Signup and view all the answers

What determines the portion of the total current that each path carries in a parallel circuit?

The resistance of each path Signup and view all the answers

In a parallel circuit, what is the relationship between the total current and the currents through each branch?

The total current is the sum of the currents through each branch Signup and view all the answers

What is the advantage of having multiple paths for current in a parallel circuit?

It allows the current to split across the different paths Signup and view all the answers

What is the consequence of connecting resistors in parallel on the total resistance?

The total resistance decreases Signup and view all the answers

What is the voltage across each resistor in a parallel circuit with three resistors connected to a battery with voltage V?

V Signup and view all the answers

What is the reason why the voltage across each resistor is the same in a parallel circuit?

The start and end points for all the resistors are the same Signup and view all the answers

What happens to the current through each resistor when more resistors are added in parallel?

The current through each resistor decreases Signup and view all the answers

Why is the total resistance in a parallel circuit less than the resistance of the smallest individual resistor?

Because the current is divided among the resistors Signup and view all the answers

What is the main reason why the total current in a parallel circuit splits across different paths?

Because there are multiple paths for current to flow Signup and view all the answers

What is the relationship between the total current and the currents through each branch in a parallel circuit?

The total current is the sum of the currents through each branch Signup and view all the answers

What happens to the total resistance when more resistors are added in parallel?

The total resistance decreases Signup and view all the answers

What is the significance of the voltage being the same across each resistor in a parallel circuit?

It allows the resistors to have different values of resistance Signup and view all the answers

What determines the portion of the total current that each path carries in a parallel circuit?

The resistance of each resistor Signup and view all the answers

What is the consequence of having multiple paths for current in a parallel circuit?

The total current is divided among the paths Signup and view all the answers

Why is the total resistance in a parallel circuit less than the resistance of the smallest individual resistor?

Because the reciprocal of the total resistance is the sum of the reciprocals of the individual resistances Signup and view all the answers

What is the advantage of connecting resistors in parallel?

It allows for more flexible circuit design Signup and view all the answers

What is the primary reason why the total current in a parallel circuit is divided among the different paths?

Because each path has a different resistance Signup and view all the answers

What is the relationship between the total current and the currents through each branch in a parallel circuit when the resistors are identical?

The total current is equal to the sum of the currents through each branch Signup and view all the answers

What happens to the total resistance when the number of resistors in a parallel circuit is increased?

It decreases in proportion to the number of resistors Signup and view all the answers

What is the condition necessary for the voltage across each resistor to be the same in a parallel circuit?

The start and end points of all the resistors must be the same Signup and view all the answers

What is the effect of increasing the voltage supplied by the battery on the total current in a parallel circuit?

The total current increases proportionally to the voltage Signup and view all the answers

What is the relationship between the resistance of each resistor and the total resistance in a parallel circuit?

The total resistance is less than the resistance of the smallest individual resistor Signup and view all the answers

What is the advantage of connecting resistors in parallel in terms of current?

The total current is increased Signup and view all the answers

What is the formula for calculating the total resistance in a parallel circuit?

1/R_P = 1/R_1 + 1/R_2 + ... + 1/R_n Signup and view all the answers

Gr 10 Physical Sciences Ch 13: Parallel resistors

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Questions and Answers

What is a key characteristic of parallel circuits?

What is the voltage across each resistor in a parallel circuit?

What happens to the total resistance in a parallel circuit?

How does the current behave in a parallel circuit?

What is the formula for calculating the total resistance in a parallel circuit?

What is the total current in a parallel circuit?

Why do parallel circuits have multiple paths for current?

What is the relationship between the voltage across each resistor and the voltage across the battery in a parallel circuit?

What determines the portion of the total current that each path carries in a parallel circuit?

In a parallel circuit, what is the relationship between the total current and the currents through each branch?

What is the advantage of having multiple paths for current in a parallel circuit?

What is the consequence of connecting resistors in parallel on the total resistance?

What is the voltage across each resistor in a parallel circuit with three resistors connected to a battery with voltage V?

What is the reason why the voltage across each resistor is the same in a parallel circuit?

What happens to the current through each resistor when more resistors are added in parallel?

Why is the total resistance in a parallel circuit less than the resistance of the smallest individual resistor?

What is the main reason why the total current in a parallel circuit splits across different paths?

What is the relationship between the total current and the currents through each branch in a parallel circuit?

What happens to the total resistance when more resistors are added in parallel?

What is the significance of the voltage being the same across each resistor in a parallel circuit?

What determines the portion of the total current that each path carries in a parallel circuit?

What is the consequence of having multiple paths for current in a parallel circuit?

Why is the total resistance in a parallel circuit less than the resistance of the smallest individual resistor?

What is the advantage of connecting resistors in parallel?

What is the primary reason why the total current in a parallel circuit is divided among the different paths?

What is the relationship between the total current and the currents through each branch in a parallel circuit when the resistors are identical?

What happens to the total resistance when the number of resistors in a parallel circuit is increased?

What is the condition necessary for the voltage across each resistor to be the same in a parallel circuit?

What is the effect of increasing the voltage supplied by the battery on the total current in a parallel circuit?

What is the relationship between the resistance of each resistor and the total resistance in a parallel circuit?

What is the advantage of connecting resistors in parallel in terms of current?

What is the formula for calculating the total resistance in a parallel circuit?

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