Current Electricity and Electrical InstrumentHard

Question

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

Options

A.equal to 5 Ω
B.more than 5 Ω
C.less than 5 Ω
D.more of less depending on the material of wire

Solution

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