Class 10 Physics MCQs - Chapter 3

Current Electricity Quiz Questions and Answers PDF - 35

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Current Electricity Questions & Answers PDF Download: MCQ Quiz 35

MCQ 171: The reading on a voltmeter connected across a heating element is 80V. The amount of current passing measured by an ammeter is 4A. The resistance should be

A) 10Ω

B) 320Ω

C) 50Ω

D) 20Ω

MCQ 172: The electrical energy supplied by charge Q in t seconds is

A) V x I x t

B) V x I

C) I x t

D) V x t

MCQ 173: One microampere (µ A) is equal to

A) 10^-9A

B) 10^-6A

C) 10^-3A

D) 10^-6A

MCQ 174: A copper wire having the same size of steel wire have

A) same resistance

B) no resistance

C) less resistance

D) more resistance

MCQ 175: A short circuit occurs when a circuit is formed with

A) high resistance

B) high voltage

C) low voltage

D) low resistance

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