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Study the circuit shown in which three i...

Study the circuit shown in which three identical bulbs `B_1, B_2 and B_3` are connected in parallel with a battery of 4.5 V. Answer any four questions given below:

Find the total resistance of the circuit if ammeter A reads 1`A`.

A

`5.4 Omega`

B

`1.0 Omega`

C

`4.5 Omega`

D

`10Omega`

Text Solution

Verified by Experts

The correct Answer is:
C
Since, ammeter reading is 1.0 ampere, resistance of the combination is
`(4.5 V)/(1.0A) = 4.5 Omega`
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