Practice quiz Unit 5

Practice quiz Unit 5

University

12 Qs

quiz-placeholder

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Practice quiz Unit 5

Practice quiz Unit 5

Assessment

Quiz

Physics

University

Easy

Created by

tasnim ghorbel

Used 1+ times

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The electrical circuit shown below is

Parallel circuit    

   Series circuit

Shunt circuit

Multiple circuits

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The electrical circuit shown below is

Parallel circuit    

   Series circuit

Shunt circuit

Multiple circuits

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What is the type of the circuit shown in the picture below:

  series-parallel circuit 

    

   parallel- series circuit 

series circuit 

parallel circuit

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The below circuit shows the street lights connected in series. One lamp is damaged and one wire is jumpered before the damaged lamp. What will happen?

The remaining lamps will continue working  

   The damaged lamp will work

The remaining lamps will not be working

The entire circuit will be switched off

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following statement is correct?

In parallel circuits, the current is maintained constant and the generated emf varies with the load

In series circuits, the current through the generator varies with the load and the generator emf is maintained practically constant.

In shut circuits, the current is maintained constant and the generated emf varies with the load

In series circuits, the current is maintained constant and the generated emf varies with the load

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The below figure illustrates a railway car with 15 incandescent lamps. Every 5 lamps make one circuit and they are connected in series. If the operating voltage for each lamp is 140 V, what is the operating voltage for each group?

700 V

600 V

30 V

 150 V

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

It is not a good practice to supply lamps and large motors from the same circuit. Which of the following is NOT the correct reason?

When the motors are started, the large starting current causes a voltage drop on the feeder, which will make the lights grow dim or blink.

Overloads and short circuits are more common on motor circuits and should not be the cause of putting the lights out.

When the motors are started, the small starting current causes a voltage drop on the feeder, which will make the lights grow dim or blink.

Frequently it is more economical to operate motors on a higher voltage than that of the lighting circuit.

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