Current Electricity (NEET Physics): Questions 71 - 74 of 75

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Question number: 71

» Current Electricity » Kirchhoff's Laws

MCQ▾

Question

The figure shows a network of currents. The magnitude of currents is shown here. The current/will be

 Network of abcd of a circuit

Network of Abcd of a Circuit

Network abcd shown in figure. Directions of currents are also shown of each branch. Current I is unknown.

Choices

Choice (4) Response
a.

9 A

b.

3 A

c.

13 A

d.

19 A

Question number: 72

» Current Electricity » Kirchhoff's Laws

MCQ▾

Question

Consider the circuit as shown in the figure. The value of current I, is

Circuit diagram consist of three battery and two resistor

Circuit Diagram Consist of Three Battery and Two Resistor

here three battery of 6V, 8V and 12V and two resistors are connected as shown figure.

Choices

Choice (4) Response
a.

3 A

b.

5 A

c.

56A

d.

-3 A

Question number: 73

» Current Electricity » Electric Cell and Its Internal Resistance

Assertion-Reason▾

Assertion (Ꭺ)

In the circuit shown, VaborVaVb=0 , if I=2A

Circuit of battery and resistance.

Circuit of Battery and Resistance.

In figure 4V battery connected to 2Ω resistor between a and b.

Reason (Ꭱ)

Potential difference across terminals of a non-ideal battery is less than its emf when i current flow through it.

Choices

Choice (4) Response
a. Both Ꭺ and Ꭱ are false
b. Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ
c. Ꭺ is false but Ꭱ is true
d. Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

Question number: 74

» Current Electricity » Electric Cell and Its Internal Resistance

Assertion-Reason▾

Assertion (Ꭺ)

A larger dry cell has higher emf.

Reason (Ꭱ)

The emf of a dry cell is independent of its size.

Choices

Choice (4) Response
a. Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ
b. Both Ꭺ and Ꭱ are false
c. Ꭺ is true but Ꭱ is false
d. Ꭺ is false but Ꭱ is true

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