Electricity

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Question

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Question 1 :

What is the S.I. unit of electrical potential?

1. watts
2. volts
3. ohm
4. joules
Answer
16156

Question 2 :

An electric iron has a rating of 750W,   220V.  The current passing through it would be .......... .

1. 3.14 A
2. 2.14 A
3. 3.41 A
4. 2.41 A
Answer
16157

Question 3 :

An electric iron has a rating of 750 W, 220 V.
Its resistance, when in use, will be ........ .

1. 64.51 A
2. 64.51 Ω
3. 6.451 Ω
4. 6.451 A
Answer
16158

Question 4 :

Electric current is the flow of

1. Positron
2. Electron
3. Neutron
4. Proton
Answer
16159

Question 5 :

Which of the following materials is a conductor?

1. Plastic
2. Cloth
3. Silver
4. Rubber
Answer
16160