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A student connects a voltmeters, ammeter...

A student connects a voltmeters, ammeter and resistance according to the circuit given. If the voltmeter reading is 20V and ammeter reading is 4A, then the resistance will be

A

equal to `5Omega`

B

more than `5Omega`

C

less than `5Omega`

D

more of less depending on the material of wire

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ALLEN -CURRENT ELECTRICITY-EX.II
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