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Circuit Analysis: DC Circuits

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Questions and Answers

What is the type of circuits where the direction of the current does not change with time?

Direct current (DC) circuits (correct)

Series circuits

Parallel circuits

Alternating current (AC) circuits

In a series circuit, what happens if any resistor is broken or a fault occurs?

The voltage across each resistor increases

The current flow is branched out

The entire circuit is turned off (correct)

The total resistance increases

What is the formula to calculate the total resistance in a series circuit?

Rtotal = R1 × R2 × …..× Rn

Rtotal = R1 + R2 + …..+ Rn (correct)

Rtotal = R1 - R2 - …..- Rn

Rtotal = R1 ÷ R2 ÷ …..÷ Rn

In a parallel circuit, what is the same across all the resistors?

Voltage Signup and view all the answers

What is the type of circuit where the voltage across each resistor is different?

Series circuit Signup and view all the answers

What is the term for the relationship between Voltage, Current, and Resistance in any DC electrical circuit?

Ohm's Law Signup and view all the answers

Which type of circuit is commonly used in flashlights?

Direct current (DC) circuit Signup and view all the answers

What is the advantage of a series circuit compared to a parallel circuit?

Simpler construction Signup and view all the answers

What happens to the total current in a series circuit when the voltage across each resistor is different?

It remains the same throughout the circuit Signup and view all the answers

What is the effect of a fault in a series circuit?

The entire circuit is turned off Signup and view all the answers

How are the resistors connected in a parallel circuit?

In parallel with the same voltage across each Signup and view all the answers

What is the relationship between the total resistance and individual resistances in a series circuit?

The total resistance is the sum of individual resistances Signup and view all the answers