A resistance of 30 ohm is connected across 240v supply. If a resistance R ohm is connected in parallel with 30ohm resistor across the same supply, the current drawn becomes triple of original one The unknown resistor R is O psi 15 O poi 10 O poi 30

A resistance of 30 ohm is connected across 240v supply. If a resistance R ohm is connected in parallel with 30ohm resistor across the same supply, the current drawn becomes triple of original one The unknown resistor R is O psi 15 O poi 10 O poi 30

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter10: Direct-current Circuits

Section: Chapter Questions

Problem 69AP: Consider the circuit below. The battery has an emf of = 30.00 V and an internal resistance of r =...

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Question

A resistance of 30 ohm is connected across 240v
supply. If a resistance R ohm is connected in parallel
with 30ohm resistor across the same supply, the
current drawn becomes triple of original one The
unknown resistor R is
O poi 15
O poi 10
O psi 5
O psi 30

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