cbse std 7

NCERT Solutions Std 7 Science Electric Current and Its Effects

Electric Current and Its Effects Exercise 1). Draw in your notebook the symbols to represent the following components of electrical circuits: connecting wires, switches in the ‘OFF’ position, bulb, cell, switch in the ‘ON’ position and battery. Ans:   2). Draw the circuit diagram to represent the circuit shown in fig.  Ans:   3). Fig …

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