an electric heater is connected across a circuit between 220 volts potential difference through which 9 ampere current passes if the resistance of the heater is reduced to 3/4 how will the current behave
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Explanation:
Answer is C.
According to Ohm's law, V = IR. That is, R = V/I.
Here, V = 220 V and I = 5 A.
Therefore, R = 220/5 = 44 ohms.
Hence, the resistance of the heater is 44 ohms.
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