Default Title

Question (1)

QN0036372

Which quantity is defined as the rate of flow of electric charge through a conductor?

(A) Potential difference
(B) Electric current
(C) Resistance
(D) Electric power

Correct Answer: B

Explanation:

Electric current is the rate of flow of electric charge, I = Q/t.

Link:

Report Error

Question (2)

QN0036373

A current of 2 A flows through a conductor for 5 minutes. What charge passes through it?

(A) 300 C
(B) 600 C
(C) 150 C
(D) 10 C

Correct Answer: B

Explanation:

Q = It = 2 × 300 = 600 C.

Link:

Report Error

Question (3)

QN0036374

In a metallic conductor, the direction of conventional current is:

(A) Same as electron flow
(B) Opposite to electron flow
(C) Perpendicular to electron flow
(D) Random

Correct Answer: B

Explanation:

Conventional current is taken opposite to the direction of electron flow.

Link:

Report Error

Question (4)

QN0036375

Which instrument is used to measure electric current?

(A) Voltmeter
(B) Ammeter
(C) Rheostat
(D) Galvanometer

Correct Answer: B

Explanation:

An ammeter is used to measure electric current.

Link:

Report Error

Question (5)

QN0036376

An ammeter is connected in a circuit:

(A) In parallel
(B) In series
(C) Across the battery only
(D) Outside the circuit

Correct Answer: B

Explanation:

An ammeter is connected in series so that the circuit current passes through it.

Link:

Report Error

Question (6)

QN0036377

A current of 0.5 A flows for 10 minutes. The amount of charge transferred is:

(A) 30 C
(B) 150 C
(C) 300 C
(D) 600 C

Correct Answer: C

Explanation:

Q = It = 0.5 × 600 = 300 C.

Link:

Report Error

Question (7)

QN0036378

What is the SI unit of electric potential difference?

(A) Ampere
(B) Ohm
(C) Volt
(D) Watt

Correct Answer: C

Explanation:

The SI unit of potential difference is volt.

Link:

Report Error

Question (8)

QN0036379

A charge of 4 C is moved through a potential difference of 6 V. How much work is done?

(A) 1.5 J
(B) 10 J
(C) 24 J
(D) 36 J

Correct Answer: C

Explanation:

W = VQ = 6 × 4 = 24 J.

Link:

Report Error

Question (9)

QN0036380

A potential difference of 1 V means that:

(A) 1 J of work is done per coulomb of charge
(B) 1 C of charge flows per second
(C) 1 A current flows through a resistor
(D) 1 W of power is consumed

Correct Answer: A

Explanation:

V = W/Q, so 1 V = 1 J/C.

Link:

Report Error

Question (10)

QN0036381

A voltmeter is connected:

(A) In series with the component
(B) In parallel across the component
(C) Only with the battery
(D) In series with the switch

Correct Answer: B

Explanation:

A voltmeter measures potential difference between two points and is connected in parallel.

Link:

Report Error

Question (1)

Which quantity is defined as the rate of flow of electric charge through a conductor?

Explanation:

Link:

Question (2)

A current of 2 A flows through a conductor for 5 minutes. What charge passes through it?

Explanation:

Link:

Question (3)

In a metallic conductor, the direction of conventional current is:

Explanation:

Link:

Question (4)

Which instrument is used to measure electric current?

Explanation:

Link:

Question (5)

An ammeter is connected in a circuit:

Explanation:

Link:

Question (6)

A current of 0.5 A flows for 10 minutes. The amount of charge transferred is:

Explanation:

Link:

Question (7)

What is the SI unit of electric potential difference?

Explanation:

Link:

Question (8)

A charge of 4 C is moved through a potential difference of 6 V. How much work is done?

Explanation:

Link:

Question (9)

A potential difference of 1 V means that:

Explanation:

Link:

Question (10)

A voltmeter is connected:

Explanation:

Link:

Excel With Tutors

ExcelWithTutors

For Student

For Tutors

Learn

OUR POLICY