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89 questions
1
Electric current
Moderate
+1.0
-0.25
Current density is :
2
Electric current
Moderate
+1.0
-0.25
A 100 watt electric bulb is used for 10 hours. What will be the cost of electricity consumed, if the consumption cost is Rs. 5 per unit ?
3
Electric current
Moderate
+1.0
-0.25
If a bulb of 100 watt burns for 10 hours, the expenditure of electricity will be –
4
Electric current
Moderate
+1.0
-0.25
15 bulbs each of 200 watt capacity in a Silkyara tunnel are illuminated continuously for 24 hours. The consumption of electricity will be
5
Electric current
Moderate
+1.0
-0.25
Five bulbs each of 100 watt capacity in a tunnel are illuminated continuously for twenty hours. The consumption of electricity will be:
6
Electric current
Moderate
+1.0
-0.25
The value of 1 kilowatt hour is–
7
Electric current
Moderate
+1.0
-0.25
An electric bulb of 100 watt is used for 4 hours. The unit of electric energy used is–
8
Electric current
Moderate
+1.0
-0.25
Electricity consumption bill is based on the measurement of–
9
Electric current
Moderate
+1.0
-0.25
How many units of electricity will be consumed if you use a 60–watt electric bulb for 5 hours everyday for 30 days?
10
Electric current
Moderate
+1.0
-0.25
An electric bulb is connected to 220 V generator. The current is 0.5 A. The power of the bulb is