In an electric circuit, a battery and a bulb have been connected and the battery consists of two cells of equal potential difference. If the bulb is not glowing, then which tests will you perform in order to find out the reason for the bulb not glowing?
Answers
Explanation:
a) We should check if the circuit is closed or not or if there is a loose connection in between.
b) We should make sure that the batteries are connected in proper orientation i.e in series (+-+-) so that the voltage is additive. With a (++) or a (--), the resultant voltage would be zero.
c) We can check the voltage using voltmeter at the bulb connection or the socket to ensure that power is available to the bulb.
d) If all the above holds well, then we should check the resistance of the bulb. A very high resistance will indicate an open bulb and will not glow.
Answer:
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Explanation:
Answer : a) We should check if the circuit is closed or not or if there is a loose connection in between. b) We should make sure that the batteries are connected in proper orientation i.e in series (+-+-) so that the voltage is additive.