Question

in the circuit shown, reading of the ammeter and voltmeter are respectively (a) 0.1 ampere,3 volt (b) 0.1 ampere, 1 volt

Answer 1

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1 / R = 1 / 60 + 1 / 30
1 / R = 1 + 2 / 60
1 / R = 3 / 60
1 / R = 1 / 20
R = 20 ohm's

V = IR
V = 0.1 x 20
V = 2 V

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Answer 2

1 / R = 1 / 60 + 1 / 30
1 / R = 1 + 2 / 60
1 / R = 3 / 60
1 / R = 1 / 20
R = 20 ohm's

V = IR
V = 0.1 x 20
V = 2 V