Physics Electricity CBSE Board 2026 Medium
(a) Name a device which is used to: (i) Maintain a constant potential difference in a circuit. (ii) Change th…
(a) Name a device which is used to :
- (i)Maintain a constant potential difference in a circuit.
- (ii)Change the electric current in an electric circuit. (b) When the potential difference between the terminals of an electric heater is 110 V, a current of 5 A flows through it. What will be the value of current flowing through it when the potential difference is increased to 220 V ?
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