A) A simple circuit with one bulb and one cell
B) A simple circuit with one bulb and two cells
C) A simple circuit with two bulbs and one cell
D) A simple circuit with two bulbs and two cells
Correct Answer: B
Solution :
The chemical energy stored in two cells is more than one. The electrical energy used by one bulb is less than the energy used by two bulbs. So the bulb in the circuit that has one bulb and two cells will glow the brightest.
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