Class 10 Physics MCQs – Practice Test 31 (Chapter 3)

Current Electricity Quiz with Answers PDF Download – Test 31

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Current Electricity Quiz – Practice Test 31 PDF Download

MCQ 151: In a light bulb of 60 W, the current in a bulb fluctuates in each second:

50 times
100 times
25 times
70 times

MCQ 152: The induced charge on insulators:

resides on surface
move inside
change into electric current
moves outwards

MCQ 153: As the temperature rises, the resistance of the thermistor:

decreases
increases
remains same
none of above

MCQ 154: We can use the formula[ (watt × time of use in hours)/1000 × the cost of one unit] to find the amount of:

income tax
electricity bill
sales tax
none of above

MCQ 155: 2 resistances of 4kΩ and 6kΩ are joined in series, if a battery of 10 V is connected across the ends, then equivalent resistance of the series combination should be:

15kΩ
10kΩ
2kΩ
24kΩ

Current Electricity Quiz App & e-Book – Class 10 Physics Study Material

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