Electrical Engineering Mcqs — Test 3
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Question 1
The thickness of insulation provided on the conductor depends on_____________?
Question 2
Which of the following quantities remain the same in all parts of a series circuit ____________?
Question 3
A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will__________
Question 4
In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains______________?
Question 5
An electric filament bulb can be worked from____________?
Question 6
Resistance of a material always decreases if___________?
Question 7
If the efficiency of a machine is to be high, what should be low __________?
Question 8
When electric current passes through a metallic conductor, its temperature rises. This is due to__________?
Question 9
Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as________?
Question 10
A glass rod when rubbed with silk cloth is charged because__________?