MEL 5101 Analogue and Digital ICs: Voltage and Current

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What is the unit of measure for voltage?

Volt (V) (correct)

Ampere (A)

Joule (J)

Coulomb (C)

What does 1mV represent?

100 V

0.1 V (correct)

1 V

10 V

What does 1J of work represent in terms of charge and potential difference?

1 C of charge through 10 V of potential difference

1 C of charge through 1 V of potential difference (correct)

1 C of charge through 0.1 V of potential difference

1 C of charge through 100 V of potential difference

What is the rate of flow of charge in a conductor called?

Current (B) Signup and view all the answers

By convention, in which direction does the current flow?

From more positive point to more negative point (B) Signup and view all the answers

Why do we connect the voltmeter to points a and b in the circuit diagram?

To measure the voltage across the resistor (D) Signup and view all the answers

What is the measure of the opposition to current flow in an electrical circuit?

Current resistance (D) Signup and view all the answers

What is the unit of measure for resistance?

Ohms (Ω) (D) Signup and view all the answers

What happens to the resultant resistance when resistors are connected in series?

It becomes larger (C) Signup and view all the answers

What is the purpose of a voltage divider in a circuit?

To decrease voltage (D) Signup and view all the answers

What does the power (𝑷) consumed by a circuit depend on?

Both the voltage and the current (C) Signup and view all the answers

What happens to the resultant resistance when resistors are connected in parallel?

It becomes smaller (D) Signup and view all the answers

What is the relation between power (𝑷), voltage (𝑉), and current (𝐼) in a circuit?

$\text{Power} = \text{Voltage} \times \text{Current}$ (D) Signup and view all the answers

What does resistance in an electrical circuit measure?

Conductance (D) Signup and view all the answers

What is the formula for calculating power (𝑷) in a circuit?

$\text{Power} = \text{Voltage} \times \text{Current}$ (D) Signup and view all the answers

What is the purpose of using a voltage divider in a circuit?

To obtain a specific voltage from a large fixed voltage (D) Signup and view all the answers

What does connecting resistors in series result in?

A larger resistor (C) Signup and view all the answers

What is the formula for calculating total resistance when resistors are connected in parallel?

$R = \frac{1}{R_1 + R_2}$ (C) Signup and view all the answers

What is the unit of measure for voltage?

Volt (B) Signup and view all the answers

What is the rate of flow of charge in a conductor called?

Ampere (C) Signup and view all the answers

What does 1mV represent?

1 millivolt (A) Signup and view all the answers

By convention, in which direction does the current flow?

From more positive point to more negative point (D) Signup and view all the answers

What does 1J of work represent in terms of charge and potential difference?

1 C of charge through 1 V potential difference (D) Signup and view all the answers

What is the formula for calculating power (𝑷) in a circuit?

𝑷 = 𝐼𝑉 (B) Signup and view all the answers

What does the unit of measure for resistance represent?

Measure of opposition to current flow in an electrical circuit (D) Signup and view all the answers

What is the purpose of using a voltage divider in a circuit?

To get a specific voltage from a larger fixed voltage (A) Signup and view all the answers

What happens to the resultant resistance when resistors are connected in series?

It increases (A) Signup and view all the answers

What does 1J of work represent in terms of charge and potential difference?

1 coulomb and 1 volt (B) Signup and view all the answers

MEL 5101 Analogue and Digital ICs: Voltage and Current

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Questions and Answers

What is the unit of measure for voltage?

What does 1mV represent?

What does 1J of work represent in terms of charge and potential difference?

What is the rate of flow of charge in a conductor called?

By convention, in which direction does the current flow?

Why do we connect the voltmeter to points a and b in the circuit diagram?

What is the measure of the opposition to current flow in an electrical circuit?

What is the unit of measure for resistance?

What happens to the resultant resistance when resistors are connected in series?

What is the purpose of a voltage divider in a circuit?

What does the power (𝑷) consumed by a circuit depend on?

What happens to the resultant resistance when resistors are connected in parallel?

What is the relation between power (𝑷), voltage (𝑉), and current (𝐼) in a circuit?

What does resistance in an electrical circuit measure?

What is the formula for calculating power (𝑷) in a circuit?

What is the purpose of using a voltage divider in a circuit?

What does connecting resistors in series result in?

What is the formula for calculating total resistance when resistors are connected in parallel?

What is the unit of measure for voltage?

What is the rate of flow of charge in a conductor called?

What does 1mV represent?

By convention, in which direction does the current flow?

What does 1J of work represent in terms of charge and potential difference?

What is the formula for calculating power (𝑷) in a circuit?

What does the unit of measure for resistance represent?

What is the purpose of using a voltage divider in a circuit?

What happens to the resultant resistance when resistors are connected in series?

What does 1J of work represent in terms of charge and potential difference?

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