Questions 41–50 of 50. Imported answers require independent review unless marked reviewed.

Topic practice 50 questionsPage 5 of 5

Question 35

Open question
ECMCQ2 marksNeeds review
For the circuit given in the figure, the voltage

(in volts) across the capacitor is
Diagram for Electronics and Communication Engineering question 35

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Question 36

Open question
ECNAT2 marksNeeds review
For the circuit given in the figure, the magnitude of the loop current (in amperes, correct to three decimal places) 0.5 second after closing the switch is ______.
Diagram for Electronics and Communication Engineering question 36


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Question 53

Open question
ECNAT2 marksNeeds review
Consider the network shown below with

,

and

. The network is connected to a constant voltage source of 11 V.
Diagram for Electronics and Communication Engineering question 53

The magnitude of the current (in amperes, accurate to two decimal places) through the source is ______.

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Question 5

Open question
ECNAT1 markNeeds review
In the circuit shown, V is a sinusoidal voltage source. The current I is in phase with voltage V. The ratio

is _________.
Diagram for Electronics and Communication Engineering question 5


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Question 6

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A connection is made consisting of resistance A in series with a parallel combination of resistances B and C. Three resistors of value 10 Ω, 5 Ω, 2 Ω are provided. Consider all possible permutations of the given resistors into the positions A, B, C, and identify the configurations with maximum possible overall resistance, and also the ones with minimum possible overall resistance. The ratio of maximum to minimum values of the resistances (up to second decimal place) is __________.

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Question 7

Open question
ECNAT1 markNeeds review
In the circuit shown, the positive angular frequency

(in radians per second) at which the magnitude of the phase difference between the voltages

and

equals

radians, is ______.
Diagram for Electronics and Communication Engineering question 7


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Question 31

Open question
ECNAT2 marksNeeds review
The switch in the circuit, shown in the figure, was open for a long time and is closed at

.
Diagram for Electronics and Communication Engineering question 31

The current

(in ampere) at

seconds is ________.

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Question 32

Open question
ECNAT2 marksNeeds review
Consider the circuit shown in the figure.
Diagram for Electronics and Communication Engineering question 32

The Thevenin equivalent resistance (in

) across P-Q is ________.

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Question 34

Open question
ECNAT2 marksNeeds review
The figure shows an RLC circuit excited by the sinusoidal voltage

Volts, where

is in seconds. The ratio

is __________.
Diagram for Electronics and Communication Engineering question 34


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Question 35

Open question
ECNAT2 marksNeeds review
In the circuit shown, the voltage

is described by:

where

is in seconds. The time (in seconds) at which the current

in the circuit will reach the value 2 Amperes is __________.
Diagram for Electronics and Communication Engineering question 35


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