Current Electricity-Electric Current (AIIMS Physics): Questions 4 - 5 of 5

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Question number: 4

» Current Electricity » Electric Current

MCQ▾

Question

The current through a wire depends on time as I=(5+8t+3t2)A . Calculate the charge crossed through a cross section of the wire in 4s .

Choices

Choice (4) Response

a.

112C

b.

148C

c.

73C

d.

176C

Question number: 5

» Current Electricity » Electric Current

MCQ▾

Question

The number of electron passing through a heater wire in 30 seconds, if it carries a current of 10 A is approximately –

Choices

Choice (4) Response

a.

1×1022

b.

1×1021

c.

2×1021

d.

2×1022

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