1
NDA General Ability 21 April 2024
+4
-1.33

An electric circuit is given below. $V_1 = 1 V$ and Resistance $R = 1000 \Omega$.

The current through the resistance $R$ is very close to $1$ mA and the voltage across point A and B, $V_{AB} = 1 V$. Now the circuit is changed to :

where value of $V_2 = 5 V$. The internal resistances of both the batteries are $0.1 \Omega$. The current through the resistance $R$ is about :

A

$1.0$ mA

B

$1.2$ mA

C

$3.0$ mA

D

$5.0$ mA

2
NDA General Ability 21 April 2024
+4
-1.33

If the current through an electrical machine running on direct current is $15 A$ and the machine runs for $10$ minutes, the charge that passes through the machine during this time is:

A

$1.50 C$

B

$150 C$

C

$900 C$

D

$9000 C$

3
NDA General Ability 21 April 2024
+4
-1.33

Which one of the following is the best shape of a solid metal rod to form the top end of a lightning conductor?

A
B
C
D
4
NDA General Ability 21 April 2024
+4
-1.33

Which of the following forces is/are fundamental in nature?

1. Gravitational force

2. Electromagnetic forces

3. Strong and weak nuclear forces

Select the correct answer using the code given below :

A

1 only

B

1 and 2 only

C

2 and 3 only

D

1, 2 and 3

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