SSC MTS GENERAL AWARENESS QUIZ

Question 1:

Magnetic lines of force moves from ________ to ________inside the magnet.

south, south

south, north

north, north

north, south

Question 2:

The magnitude of magnetic field produced by a straight current-carrying wire at a given point is

directly proportional to the current passing through it

directly proportional to the distance of that point from the wire

inversely proportional to the distance of that point from the wire

both a and c

Question 3:

An electric current whose magnitude changes with time and direction reverses periodically is called

Alternating current

Direct current

Normal Current

None of these

Question 4:

Which of the following represent the condition of short circuiting?

When the live wire comes in direct contact with the neutral wire

When the earth wire comes in direct contact with the neutral wire

When the live wire comes in direct contact with the earth wire

None of these

Question 5:

The deflection in the galvanometer can be increased by

increasing the number of turns in the coil

using a strong magnet

increasing the speed with which the magnet is moved in the coil

all of these

Question 6:

Rachika connects a series arrangement of two identical cells with a series arrangement of two bulbs. Which should she do to make the bulb(s) glow dimmer?

replace one cell with a piece of chalk

replace one cell with a piece of metal wire

replace one bulb with a piece of metal wire

replace one bulb with a cell

Question 7:

Read the following statements and choose correct response.

Assertion (A): A horse shoe magnet is a very strong magnet.

Reason (R): The poles of horse shoe magnet are very close to each other.

Both A and R are correct but R is not correct explanation for A.

Both A and R are correct but R is correct explanation for A.

A is correct but R is incorrect.

Both A and R are incorrect.

Question 8:

What would be the effect on the electrical resistance of a wire if its length and the area of cross-section are both doubled?

Resistance will increase four times

Resistance will decrease by four times

Resistance will double

Resistance will remain unchanged

Question 9:

Which of the following activities can be used for identification of north and south poles of a magnet?

Bringing the magnet close to a piece of iron.

Dipping the magnet in a heap of iron fillings.

Bringing the magnet close to another magnet.

Freely suspending the magnet from the middle.

Question 10:

Victor connected a battery and a fixed resistance in the electric circuit, now he wants to regulate the current without changing the voltage, how can he do that?

By connecting rheostat

By removing fixed resistance

By connecting one fixed resistance

By changing the temperature