Question 1

What is the formula to calculate electric current?

Accepted Answer

I = Q/t

Answer

I = Q × t

Answer

I = Q + t

Question 2

If 10 Coulombs of charge pass through a conductor in 5 seconds, what is the current?

Accepted Answer

0.08333333333333333

Answer

0.20833333333333334

Answer

0.4166666666666667

Answer

0.041666666666666664

Question 3

What is the unit for electric current?

Accepted Answer

Ampere

Answer

Watt

Answer

Ohm

Answer

Volt

Question 4

What does one Ampere represent?

Accepted Answer

1 Coulomb per second

Answer

1 Ohm per second

Answer

1 Volt per second

Answer

1 Watt per second

Question 5

A wire carries a current of 3 A for 4 seconds. How much charge has passed through it?

Accepted Answer

12 C

Answer

7 C

Answer

0.75 C

Answer

24 C

Question 6

If 5 Coulombs of charge flow through a point in 2 seconds, what is the current?

Accepted Answer

2.5 A

Answer

0.4 A

Answer

0.4166666666666667

Answer

0.041666666666666664

Question 7

How many electrons are approximately in one Coulomb of charge?

Accepted Answer

6.25×10¹⁸

Answer

1×10¹⁹

Answer

3.2×10¹⁸

Answer

1.6×10⁻¹⁹

Question 8

What is the charge of a single electron?

Accepted Answer

-1.6×10⁻¹⁹ C

Answer

+1.6×10⁻¹⁹ C

Answer

-3.2×10⁻¹⁹ C

Answer

+6.25×10¹⁸ C

Question 9

If 3 Amperes of current flow for 6 seconds, how much charge passes through the conductor?

Accepted Answer

18 C

Answer

9 C

Answer

3 C

Answer

0.5 C

Question 10

What quantity remains constant according to the law of conservation of charge?

Accepted Answer

Charge

Answer

Current

Answer

Voltage

Answer

Resistance

Question 11

If a charge of 20 Coulombs flows in 10 seconds, the current is

Accepted Answer

0.08333333333333333

Answer

0.20833333333333334

Answer

0.5 A

Answer

0.041666666666666664

Question 12

If a current of 0.5 A flows through a wire for 4 seconds, what is the total charge transferred?

Accepted Answer

2 C

Answer

0.5 C

Answer

8 C

Answer

1 C

Question 13

How many electrons pass through a point in a conductor if 2 Coulombs of charge pass in 1 second?

Accepted Answer

3.2×10¹⁹

Answer

6.25×10¹⁹

Answer

6.25×10¹⁸

Answer

1.25×10¹⁸

Question 14

The conventional direction of electric current is defined as the flow of

Accepted Answer

Positive charge

Answer

Negative charge

Answer

Both positive and negative charges

Answer

Neutrons

Question 15

A circuit has a current of 5 A. How much charge flows through it in 3 seconds?

Accepted Answer

15 C

Answer

1.67 C

Answer

8 C

Answer

5 C

Question 16

If a conductor carries 0.25 C of charge in 2 seconds, what is the current?

Accepted Answer

0.125 A

Answer

0.5 A

Answer

0.041666666666666664

Answer

0.08333333333333333

Question 17

What does 1 Coulomb per second represent in terms of current?

Accepted Answer

1 Ampere

Answer

1 Watt

Answer

1 Joule

Answer

1 Volt

Question 18

A current of 6 A flows through a conductor. How much charge passes in 10 seconds?

Accepted Answer

60 C

Answer

6 C

Answer

16 C

Answer

0.6 C

Question 19

How many electrons pass a point in a conductor in 4 seconds with a current of 2 A?

Accepted Answer

5×10¹⁹

Answer

1.25×10¹⁹

Answer

3×10¹⁹

Answer

2.5×10¹⁹

Question 20

If a device draws 1.5 A of current for 8 seconds, how much total charge flows through it?

Accepted Answer

12 C

Answer

8 C

Answer

10 C

Answer

1.5 C

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