ALLAHABAD HIGH COURT CLERK GA/GK QUIZ

Question 1:

When a bar magnet is brought near it the iron dust sticks

mostly at the middle

only at the middle

equally everywhere

mostly near two ends

Question 2:

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 3:

Which of the following activities should be avoided during thunderstorm to safeguard oneself?

Talking through wired phone

Squatting low on the ground

Using a mobile phone

Taking shelter under short trees

Question 4:

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 5:

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 6:

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 7:

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

Question 8:

A magnet is broken into two pieces. If these two pieces are brought closer to each other, they will -

Attract each other.

Repel each other.

May attract or repel.

Neither attract nor repel.

Question 9:

Which of the following elements is NOT suitable for the fabrication of a light emitting diode structure?

Gallium phosphide

Indium gallium nitride

Germanium

Gallium arsenide

Question 10:

With reference to fuse wire, consider the following statements-

The fuse wire is placed in parallel with the device.
Fuse wire is a wire of low resistivity and high meting point.

Which of the following statements given above is/are correct?

1 only

2 only

Both 1 and 2

Neither 1 nor 2