NDA General Ability 10 April 2022 | Physics Question 360 | General Science

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NDA General Ability 10 April 2022

MCQ (Single Correct Answer)

-1.33

Which of the following statements correctly explains/explain the existence of a positive force between two electric charges?

1. Both the charges are positive.

2. Both the charges are negative.

3. Both the charges are oppositely charged.

Select the correct answer using the code given below.

1 only

2 only

1 and 2 only

1, 2 and 3

NDA General Ability 10 April 2022

MCQ (Single Correct Answer)

-1.33

An electric wire of resistance 50 ohm is cut into five equal wires. These wires are then connected in parallel. What is the equivalent resistance of this combination?

2 ohm

10 ohm

0.5 ohm

5 ohm

NDA General Ability 10 April 2022

MCQ (Single Correct Answer)

-1.33

The electric field lines from an isolated positively charged conducting sphere are

tangential to the conducting surface

at right angles to the conducting surface and towards the centre of the sphere

at any angle to the conducting surface

at right angles to the conducting surface and outwards from the centre of the sphere

NDA General Ability 10 April 2022

MCQ (Single Correct Answer)

-1.33

The frequency of an alternating current is 3 Hz. It implies that

there are 6 cycles/s

there are 3 cycles/s

there are 2 cycles/s

there is only 1 cycle/s

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