Question

When 230V potential difference is applied to a device the current flowing through it is 2A. a) Calculate the resistance of the device b) Calculate the power of the device
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Answer 1

Answer:

Resistance = 115 ohm

Power = 460 Watt

Explanation:

Given:-

P.D = 230 volt

Current = 2 Ampere

Solution a.)

Apply ohm's law v = ir

R = V/I

= 230/2

= 115 ohm

Solution B.)

Power = Voltage * Current

= 230 Volt * 2 Ampere

= 460 Watt

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