Current Electricity-Kirchhoff's Laws (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 1 - 4 of 6

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Question number: 1

» Current Electricity » Kirchhoff's Laws

MCQ▾

Question

The figure below shows currents in a part of electric circuit.

The current i is

Current in a part of electric circuit

Current in a Part of Electric Circuit

here a, b, c are the three networks of current flowing through electric circuit. The values of currents are shown in figure.

Choices

Choice (4) Response

a.

1.7 amp

b.

1 amp

c.

3.7 amp

d.

1.3 amp

Question number: 2

» Current Electricity » Kirchhoff's Laws

MCQ▾

Question

If V B - V A = 4 V in the given figure, then resistance X will be

Circuit diagram consist of two battery and two resistors

Circuit Diagram Consist of Two Battery and Two Resistors

Here in figure between point A and B 5V battery and 10Ω resistor connected in series and parallel to them 2v battery and one unknown resistor connected series.

Choices

Choice (4) Response

a.

5 Ω

b.

20 Ω

c.

10 Ω

d.

15 Ω

Question number: 3

» Current Electricity » Kirchhoff's Laws

MCQ▾

Question

Kirchhoff’s laws are based on conservation of

  1. Charge
  2. potential
  3. Energy
  4. Mass

Select the correct answers and mark it according to the following codes:

Choices

Choice (4) Response

a.

1, 2 and 3

b.

1 and 2

c.

2 and 4

d.

1 and 3

Question number: 4

» Current Electricity » Kirchhoff's Laws

MCQ▾

Question

In the given circuit the current I 1 is

Circuit diagram consist of three resistor and two battery

Circuit Diagram Consist of Three Resistor and Two Battery

Here in figure 30Ω resistor connected in one branch, 40 Ω resistor and one battery connected in second branch and 40 Ω resistor and battery connected in third branch. And all three branches are parallel to each other. I1, I2 and I3 are the current passing through these branches respectively.

Choices

Choice (4) Response

a.

-0.4 A

b.

0.8 A

c.

-0.8 A

d.

0.4 A

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