EASY
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

A positively charged particle projected towards the west is deflected towards the north  by a magnetic field. The direction of the magnetic field is :

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Important Questions on Physics

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 6>Q 28
A 'rectifier' is an electronic device used to convert
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 6>Q 29
Which one of the following is printed on a commonly used fluorescent tube light?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 6>Q 30
What is the order of magnitude of electric resistance of the human  body (dry)?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 6>Q 32
A given conductor carrying a current of I ampere. It produces an amount of heat equal to2000 J. The current through the conductor is doubled the amount of heat produced will be :
HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 6>Q 33
Fluorescent tubes are fitted with a choke. The choke coil
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 6>Q 34
Domestic electrical wiring is a :
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 6>Q 35

Consider the following statements An ordinary light bulb has a rather short life because the

1. filament wire is not uniform.

2. bulb cannot be evacuated completely.

3. wires supporting the filament melt at high temperatures.

Which of the above statements are correct?

HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Chemistry>Exercise 8>Q 11

Consider the following statements regarding a motor car battery:

1. The voltage is usually 12 V.

2. The electrolyte used is hydrochloric acid.

3. Electrodes are lead and copper.

4. Capacity is expressed in ampere-hour.

Which of the above statements are correct?