SSC
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Two resistors are in series with each other. One resistor is 50 , the current is 0.5 amps, and the power supply is 120 volts. How much resistance is produced by the second resistor?
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70
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70
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100
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190
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Explanation:
Detailed explanation-1: -The total resistance R=50+50=100 R = 50 + 50 = 100 , since they are in series.
Detailed explanation-2: -When a current of 0.5 A is passed through two resistor in series, the potential difference between the ends of series arrangment is 12.5V. on connecting them in parallel and passing a current of 1.5A, the potential difference between their ends is TV .
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