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Test: Equivalent Resistance - Electrical Engineering (EE) MCQ


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10 Questions MCQ Test Network Theory (Electric Circuits) - Test: Equivalent Resistance

Test: Equivalent Resistance for Electrical Engineering (EE) 2024 is part of Network Theory (Electric Circuits) preparation. The Test: Equivalent Resistance questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Equivalent Resistance MCQs are made for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Equivalent Resistance below.
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Test: Equivalent Resistance - Question 1

 Calculate the total resistance between the points A and B.

Detailed Solution for Test: Equivalent Resistance - Question 1

1 ohm in parallel with 2 ohm give 2/3 ohm equivalent which is in series with 4 ohm and 3 ohm so total resistance between A and B = 4 + 2/3 + 3 = 23/3 = 7.67 ohm.

Test: Equivalent Resistance - Question 2

Calculate the resistance between A and B.

Detailed Solution for Test: Equivalent Resistance - Question 2

The 1 ohm, 2 ohm and 3 ohm resistors are connected in parallel. Its equivalent resistance is in series with the 4 ohm resistor and the parallel connection of the 5 ohm and 6 ohm resistor. The equivalent resistance of this combination is 80/11 ohm. This is in parallel with 7 ohm to give equivalent resistance between A and B is 3.56 ohm.

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Test: Equivalent Resistance - Question 3

Which is the most cost efficient connection?

Detailed Solution for Test: Equivalent Resistance - Question 3

The advantage of series-connections is that they share the supply voltage, hence cheap low voltage appliances may be used.

Test: Equivalent Resistance - Question 4

Calculate the equivalent resistance between A and B.

Detailed Solution for Test: Equivalent Resistance - Question 4

R=20||20||20=6.67 ohm. The three 20 ohm resistors are in parallel and re-sistance is measured across this terminal.

Test: Equivalent Resistance - Question 5

It is preferable to connect bulbs in series or in parallel?

Detailed Solution for Test: Equivalent Resistance - Question 5

Bulbs are connected in parallel so that even if one of the bulbs blow out, the others continue to get a current supply.

Test: Equivalent Resistance - Question 6

Calculate the equivalent resistance between A and B.

Detailed Solution for Test: Equivalent Resistance - Question 6

5 ohm and 15 ohm are connected in series to give 20 ohm.10ohm and 20 ohm are connected in series to give 30 ohm. Now both equivalent resistances (20ohm and 30 ohm) are in parallel to give equivalent resistance 20*30/(20+30) = 12 ohm.

Test: Equivalent Resistance - Question 7

In the circuit shown in figure, the heat produced in the 5 Ω resistor due to the current flowing through it is 10 cal s-1. The heat generated in the 4 Ω resistor is

Test: Equivalent Resistance - Question 8

The voltages developed across the 3Ω and 2Ω resistors shown in the figure are 6V and 2V respectively, with the polarity as marked. What is the power (in Watt) delivered by the 5V voltage source?

Test: Equivalent Resistance - Question 9

The terminal voltage of the battery, whose emf is 10 V and internal resistance 1 Ω, when connected through an external resistance of 4 Ω as shown in the figure is:

Detailed Solution for Test: Equivalent Resistance - Question 9

Calculation:

I = E/ R+r 

I = 10/4+1

I =2

V = E - Ir

V = 10 - 2(1)

V= 8V

∴ The correct option is 3)

Test: Equivalent Resistance - Question 10

Select the correct dual pair of voltage source, current source, inductor and capacitor.

Detailed Solution for Test: Equivalent Resistance - Question 10

Duality in electrical network

Two electrical networks are said to be dual networks if the mesh equations of one network are equal to the node equation of the other.

Dual-pair electricals quantities are as follows:

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