Current Electricity (KVPY Stream-SA (Class 11) Physics): Questions 14 - 16 of 25

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Question number: 14

» Current Electricity » Electrical Energy and Power

Appeared in Year: 2012

MCQ▾

Question

Following figures show different combinations of identical bulb (s) connected to identical battery (ies). Which option is correct regarding the total power dissipated in the circuit?

diagrams of identical bulb(s) and battery(ies) (Circuit P)

Diagrams of Identical Bulb (S) and Battery (Ies) (Circuit P)

In figure circuit of different combination of identical bulb (s) and identical battery (ies) is down.

diagrams of identical bulb(s) and battery(ies) (Circuit Q)

Diagrams of Identical Bulb (S) and Battery (Ies) (Circuit Q)

In figure circuit of different combination of identical bulb (s) and identical battery (ies) is down.

Diagrams of identical bulb(s) and battery(ies) (Circuit R)

Diagrams of Identical Bulb (S) and Battery (Ies) (Circuit R)

In figure circuit of different combination of identical bulb (s) and identical battery (ies) is down.

Diagrams identical bulb(s) and battery(ies) (Circuit S)

Diagrams Identical Bulb (S) and Battery (Ies) (Circuit S)

In figure circuit of different combination of identical bulb (s) and identical battery (ies) is down.

Choices

Choice (4) Response

a.

P < Q < R < S

b.

P < Q < R = S

c.

R < Q < P < S

d.

P < R < Q < S

Question number: 15

» Current Electricity » Kirchhoff's Laws

Appeared in Year: 2013

MCQ▾

Question

A current of 0.1 A flows through a 25 Ω resistor represented by the circuit diagram. The current in the 80 Ω resistor is,

Circuit diagram of combination of five resistors

Circuit Diagram of Combination of Five Resistors

Figure shows combination of five resistors.

Choices

Choice (4) Response

a.

0.4 A

b.

0.3 A

c.

0.1 A

d.

0.2 A

Question number: 16

» Current Electricity » Electrical Energy and Power

Appeared in Year: 2013

MCQ▾

Question

If the current through a resistor in a circuit increases by 3%, the power dissipated by the resistor,

Choices

Choice (4) Response

a.

increases approximately by 3%

b.

decreases approximately by 3%

c.

increases approximately by 6%

d.

increases approximately by 9%

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