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Heating Effect Of Electric Current Mock Tests

15 questions available

Heating Effect Of Electric Current Mock Test 1

Questions: 15

नमूना प्रश्न

Class 10 Science
A force of 10 N acts on a body of mass 2 kg, causing a displacement of 5 m in the direction of the force. The work done is:
A 2 J
B 25 J
C 50 J
D 100 J
Class 10 Science
An electric bulb is rated at 60 W, 220 V. What is the current drawn by the bulb when it operates at its rated voltage?
A 0.27 A
B 0.36 A
C 0.45 A
D 0.55 A
Class 10 Science
The power consumed by a resistor carrying a current of 2A with a voltage of 12V across it is:
A 6W
B 24W
C 14W
D 10W
Class 10 Science
An electric heater is rated at 1500 W. The energy consumed in 10 hours is:
A 15 kWh
B 1.5 kWh
C 150 kWh
D 0.15 kWh
Class 10 Science
An electric fan of 100 W is used for 5 hours. The electrical energy consumed is:
A 0.5 kWh
B 5 Wh
C 5 kWh
D 50 kWh
Class 10 Science
An electric heater connected to a 120 V supply draws a current of 5 A. How much electrical energy is consumed in 2 hours?
A 1200 J
B 7200 J
C 4,320,000 J
D 1,200,000 J
Class 10 Science
An electric oven is rated at 2 kW. If it is used for 3 hours daily, the energy consumed in one day is:
A 0.6 kWh
B 6 kWh
C 60 kWh
D 200 kWh
Class 10 Science
An electric oven of 2 kW power is used in a domestic electric circuit of 220 V that has a fuse of 5 A rating. What is likely to happen?
A The oven will not work at all
B The fuse will melt because the current drawn exceeds 5 A
C The fuse will not melt because the current drawn is within 5 A
D The voltage of the circuit will increase

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