Which of the following represents a circuit diagram for the given circuit? Here switch ‘a’ is ON and switch ‘b’ is OFF.

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Solution

The correct option is A
Circuit components of the given circuit are:
i. Bulb
ii. Switch 'a' in ON position
iii. Switch 'b' in OFF position
iv. Wire
v. Battery
All these components can be shown with their respective symbols as:
Thus, in option B and D, only one cell is present so these options are eliminated.
In option C, the switch 'a' is turned OFF and switch 'b' is turned ON so this is also eliminated.
Hence, the correct answer is option A.

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