Electromagnetic Induction & Alternating Currents-LCR Series Circuit (KVPY Stream SB-SX (Class 12 & 1st Year BSC) Physics): Questions 1 - 2 of 2

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Question number: 1

» Electromagnetic Induction & Alternating Currents » LCR Series Circuit

Appeared in Year: 2010

MCQ▾

Question

The circuit shown consists of a switch (S), a battery (B) of emf E, a resistance R, and an inductor L.

A circuit diagram consist of switch, a battery, a resistance R

A Circuit Diagram Consist of Switch, a Battery, a Resistance R

In figure a RL circuit is shown in which a battery (B) of emf E, a switch (S), a resistor (R) and an inductor (L) are connected in series.

The current in the circuit at the instant the switch is closed is –

Choices

Choice (4) Response

a.

ER(1e)

b.

c.

ER

d.

0

Question number: 2

» Electromagnetic Induction & Alternating Currents » LCR Series Circuit

Appeared in Year: 2013

MCQ▾

Question

A black box (BB) which may contain a combination of electrical circuit elements (resistor, capacitor or inductor) is connected with other external circuit elements as shown below in the figure (a). After the switch (S) is closed at time t = 0, the current (I) as a function of time (t) is shown in the figure (b).

 (a) An electric circuit consist of a black box (BB)

(A) an Electric Circuit Consist of a Black Box (BB)

(a) Figure shows a black box (BB) which may contain a combination of electrical circuit elements (resistor, capacitor or inductor) is connected with other external circuit elements.

(b) In figure current as a function of time is shown.

From this we can infer that the black box contains –

Choices

Choice (4) Response

a.

A resistor and a capacitor in series

b.

A resistor and an inductor in series

c.

A resistor and an inductor in parallel

d.

A resistor and a capacitor in parallel

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