Govt Exams Mock Test FREE | Online Quiz Competition

Q1. How many wattmeter(s) is required to measure 6 – phase, 6 – wire without neutral wire system?

3

4

5

6

Q2. Which of the following is not an application of potentiometer?

Calibration of voltmeter

Calibration of ammeter

Testing of wattmeter

Testing of frequency meter

Q3. A potentiometer may be used for

measurement of current

calibration of ammeter and voltmeter

measurement of resistance

all of the above

Q4. What is the primary advantage of using supercapacitors in electric traction systems?

High energy density

Long discharge times

Rapid charge and discharge capabilities

Compatibility with AC power sources

Q5. Which of the following statements about the law of illumination is correct?

The illumination is directly proportional to the square luminous intensity and inversely proportional to the distance of the surface from the source

The illumination is directly proportional to the luminous intensity and inversely proportional to the square of distance of the surface from the source.

The illumination is directly proportional to the distance of the surface from the source and inversely proportional to the square of luminous intensity.

The illumination is directly proportional to the luminous intensity and inversely proportional to the distance of the surface from the source.

Q6. The compact fluorescent lamp

Does not have choke but has a rectifier

Has a choke which operate at low frequency

Has no choke but has an inverter circuit with capacitor

Has a small choke which operate at high frequency

Q7. ________method has leading power factor.

arc heating

induction heating

resistance heating

dielectric heating

Q8. According to the method of images, the tangential component of electric field to conductor surface is _ .

Unity

Zero

Infinity

None of these

Q9. The force between two charges is 120 N. If the distance between the charges is doubled, the force will be

60 N

30 N

40 N

15 N

Q10. Infinite surface charge sheets are placed with surface charge density \(+ \rho_s \: C/m^2 \) and \(- \rho_s \: C/m^2 \) respectively along the Z -axis. The electric field intensity between the sheets will be

0

\( \frac{\rho_s}{\epsilon_0} \)

\( \frac{\rho_s}{4 \epsilon_0} \times k \)

\( \frac{\rho_s}{2 \epsilon_0} \times k \)

Quiz

Year 2024

October
Week # 4 Quiz 3

Q1. How many wattmeter(s) is required to measure 6 – phase, 6 – wire without neutral wire system?

Q2. Which of the following is not an application of potentiometer?

Q3. A potentiometer may be used for

Q4. What is the primary advantage of using supercapacitors in electric traction systems?

Q5. Which of the following statements about the law of illumination is correct?

Q6. The compact fluorescent lamp

Q7. ________method has leading power factor.

Q8. According to the method of images, the tangential component of electric field to conductor surface is _ .

Q9. The force between two charges is 120 N. If the distance between the charges is doubled, the force will be

Q10. Infinite surface charge sheets are placed with surface charge density \(+ \rho_s \: C/m^2 \) and \(- \rho_s \: C/m^2 \) respectively along the Z -axis. The electric field intensity between the sheets will be

Quiz

Year 2024

October Week # 1 Expire on 31 Oct 2024

October Week # 2 Expire on 07 Nov 2024

October Week # 3 Expire on 14 Nov 2024

October Week # 4 Expire on 21 Nov 2024

October Week # 4 Quiz 3

Q1. How many wattmeter(s) is required to measure 6 – phase, 6 – wire without neutral wire system?

Q2. Which of the following is not an application of potentiometer?

Q3. A potentiometer may be used for

Q4. What is the primary advantage of using supercapacitors in electric traction systems?

Q5. Which of the following statements about the law of illumination is correct?

Q6. The compact fluorescent lamp

Q7. ________method has leading power factor.

Q8. According to the method of images, the tangential component of electric field to conductor surface is _ .

Q9. The force between two charges is 120 N. If the distance between the charges is doubled, the force will be

Q10. Infinite surface charge sheets are placed with surface charge density \(+ \rho_s \: C/m^2 \) and \(- \rho_s \: C/m^2 \) respectively along the Z -axis. The electric field intensity between the sheets will be

Record & Track Your Performance

October
Week # 4 Quiz 3