Kirchoff's Junction Law

Q. As the switch S is closed in the circuit shown in figure, current passed through it is

1. Zero
2. 1A
3. 2A
4. 1.6A

Q.

Lenz’s law is a consequence of the law of conservations of :

1. Energy

2. Momentum

3. Angular Momentum

4. Charge and mass

Q. Kirchhoff’s junction law is a consequence of which of the following law(s)?

1. Conservation of momentum
2. Conservation of energy
3. Conservation of charge
4. Conservation of mass

Q. Find the value of $V_2$ from the given circuit.

1. 16

Q. Kirchoff's loop law is based on conservation of charge.

1. True
2. False

Q. Find the current 'i' in the circuit section given below.

1. 2 A
2. 3 A
3. 1 A
4. 0 A

Q. Kirchhoff's junction law is a consequence of conservation of electric charge

1. True
2. False

Q. In the following figure, R = $50.4\Omega$. EMF of the cell E is 1.2 V. The value and direction of current are given. If B is at zero potential, what is the potential at A?

1. 61.00V
2. 59.28V
3. -59.28V
4. -61.00V

Q. Find the current in the circuit section given below.

Q. Find the current 'i' in the circuit section given below.

1. 1 A
2. 2 A
3. 3 A
4. 0 A

Q. The following figure shows a network of currents, their magnitudes and directions. The current $I$ will be equal to _____.

1. $-3A$
2. $3A$
3. $13A$
4. $20A$

Q.

Kirchhoff's second law is an extension of:

1. Faraday's law

2. Joule's law

3. Ohm's law

4. Ampere's law

Q. If the circuit shown in Figure 1 is equivalent to that shown in Figure 2, then,

1. the rate of dissipation of heat in R is about 1.1 Js${}^{-1}$
2. the current through 5 $\Omega$ is about $\frac{2}{3}$ A
3. the emf V is 5 V
4. the resistance R is about 3 $\Omega$

Q. In the circuit shown in the figure, the current $I$ is:

1. $4A$
2. $6A$
3. $2A$
4. $7A$