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प्रश्न
An ammeter placed in series with an electric radiator reads 0.5 amps and a voltmeter placed across it reads 230 volts. What is the resistance of the radiator?
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उत्तर
Using Ohm's law, R = `"V"/"I"`
`= 230/0.5`
R = 460 Ω
संबंधित प्रश्न
What is Resistivity?
Ohm's law gives a relationship between:
(a) current and resistance
(b) resistance and potential difference
(c) potential difference and electric charge
(d) current and potential difference
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