Physics Chapter 1: Effects Of Electric Current Quiz
10 Questions
| Total Attempts: 96
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Questions and Answers
- 1.Which material is used for making filament?
- A.
Copper
- B.
Nichrome
- C.
Tungsten
- D.
Aluminium
- 2.What is the unit of Power?
- A.
Joule
- B.
Coulomb
- C.
Ohm
- D.
Watt
- 3.When two resistors are connected in series, effective resistance will...
- A.
Increase
- B.
Decrease
- C.
Does not change
- D.
Doubles
- 4.The part used for absorbing the heat produced in an LED bulb is...
- A.
Diffuser cup
- B.
Base unit
- C.
Base plate
- D.
Heat sink
- 5.Which is the material used for making fuse wire?
- A.
Nickel and Chromium
- B.
Tin and Lead
- C.
Zinc and Mercury
- D.
Tin and Carbon
- 6.There are three bulbs of 30 W, 60W, 100 W that are connected in series to a 230 V supply. Which bulb will glow with more brightness?
- A.
30 W
- B.
60 W
- C.
100 W
- D.
All of them
- 7.What is the lowest resistance which can be obtained by combining 10 resistors having resistance 1 ohm each?
- A.
10 ohm
- B.
1/40 ohm
- C.
1/20 ohm
- D.
1/10 ohm
- 8.Energy change in a storage battery while charging is ....
- A.
Chemical energy to Mechanical energy
- B.
Chemical energy to Electrical Energy
- C.
Electrical energy to Chemical energy
- D.
Electrical energy to Mechanical Energy
- E.
Mechanical energy to Light energy
- F.
Electrical energy to Heat energy
- 9.Nichrome is an alloy of...
- A.
Nickel, Cobalt, Iron
- B.
Nickel, Chromium, Iron
- C.
Nickel, Copper, Iron
- D.
Nickel, Chromium, Aluminium
- 10.Which of the following is not a discharge lamp?
- A.
CFL
- B.
Arc Lamp
- C.
LED
- D.
Sodium Vapour Lamp
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