EASY
UPSC CAPF AC Paper - I
IMPORTANT
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Increasing the charge on the plates of a capacitor means

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Important Questions on Physics

HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 6>Q 8
Consider the following circuit :
The equivalent resistance of the circuit
HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 6>Q 9
A simple circuit contains a 12V battery and bulb having 24 ohm resistance. When turn on the switch, the ammeter connected to the circuit would read
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 6>Q 10

A copper voltmeter measures the:

1. Quantity of current passing through the circuit.

2. Amount of copper deposited.

3. Resistance of the circuit.

Which of these statement(s) is/are correct?

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 6>Q 11
Imagine a current carrying wire with the direction of current downward or into the page. The direction of magnetic field lines is :
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 6>Q 12
An instrument used to store electric charge is known as _____.
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 6>Q 13
Which of the following pairs of material serves as electrodes in chargeable batteries commonly used in device such as torch light, electric shaver etc?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 6>Q 14

What is the difference between a CFL and an LED lamp?

1. To produce light, a CFL uses mercury vapour and phosphor while an LED lamp uses semiconductor material.

2. The average life span of a CFL is much longer than of and LED lamp.

3. A CFL is less energy-efficient as compared to an LED lamp.

Which of the statement(s) given above is/are correct?

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 6>Q 15
A substance which radiates light when heated to a light temperature is said to be