source of EMF and some identical light bulbs. The switch, S, is opened at some p

Question

source of EMF and some identical light bulbs. The switch, S, is opened at some point. The questions refer to the situation The circuit shows a before and after the opening of S. Answer true or false for each statement. False E When S is closed, bulb 1 is brighter than bulb 2 True When S is opened, bulb 1 becomes brighter. False a When S is opened, bulb 2 becomes brighter False When S is closed, the current through bulb 1 and the current through bulb 2 are the same. True When S is opened, the potential difference across bulb 4 increases.

Explanation / Answer

Here , for the true and false , when the switch is opened , the net resistance in the circuit will increase and bulb 1 will start glowing less.

1) True , bulb 1 is more bright

2)False , bulb 1 will be dimmer

3) True

4) False , it is different

5) True , as the net resistance will increase

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