1
NDA General Ability 16 April 2023
+4
-1.33
In an electric circuit, a wire of resistance 10 Ω is used. If this wire is stretched to a length double of its original value, the current in the circuit would become :
A
half of its original value.
B
double of its original value.
C
one-fourth of its original value.
D
four times of its original value.
2
NDA General Ability 16 April 2023
+4
-1.33

What is the total resistance in the following circuit element?

A
R/2
B
3R
C
3R/2
D
2R/3
3
NDA General Ability 16 April 2023
+4
-1.33
Which one of the following statements is true?
A
The force of gravity of the Earth on the Moon is greater than the force of gravity of the Moon on the Earth.
B
The force of gravity of the Moon on the Earth is greater than the force of gravity of the Earth on the Moon.
C
The force of gravity of the Earth on the Moon and of the Moon on the Earth are equal in magnitude and are in the same direction.
D
The force of gravity of the Earth on the Moon and of the Moon on the Earth are equal in magnitude but are in opposite directions.
4
NDA General Ability 16 April 2023
+4
-1.33
An electric bulb is rated as 220 V and 80 W. When it is operated on 110 V, the power rating would be:
A
80 W
B
60 W
C
40 W
D
20 W
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