18) Three 1.5 V cells each having internal resistance 10 Ohm are connected to this battery. What is the current through this circuit?

0.3 A

0.15 A

0.1 A

None of the above

Answer is:

0.1 A

ISRO Technician-B Electrician Question Paper - 2019 (Set - 1) with Answer Key

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19) A 10 Ohm resistor and 15 Ohm resistor are connected in series to a 2V cell. The voltage across the 10 Ohm resistor is measured as 2V. Which of the following is a possible cause?

10 Ohm resistor is short circuited

15 Ohm resistor is short circuited

15 Ohm resistor is open

None of the above

Answer is:

15 Ohm resistor is short circuited

20) A constant current of 2 mA charges a 20 microFarade capacitor for 2 s. Which of the following is true for the charging of the capacitor.

Capacitor voltages increases linearly from 0V to 200V

Capacitor voltages increases exponentially from 0V to 200V

Capacitor voltages increases linearly from 0V to 100V

Capacitor voltages increases exponentially from 0V to 100V

Answer is:

Capacitor voltages increases linearly from 0V to 200V

21) which of the following is true for a hot wire ammeter?

Uses thermal effect for measure ment

Deflection is proportional to square of current

Measures RMS value of the current

All of the above

Answer is:

All of the above

22) Current transformer is employed for

Changing current in distribution line

For measurement of high alternating current

To step up current for high power application

None of the above

Answer is:

For measurement of high alternating current

ISRO Technician-B Electrician Question Paper - 2019 (Set - 1) with Answer Key

For more MCQ's Click Here

18) Three 1.5 V cells each having internal resistance 10 Ohm are connected to this battery. What is the current through this circuit?

0.1 A

ISRO Technician-B Electrician Question Paper - 2019 (Set - 1) with Answer Key

Related ISRO Technician-B Electrician Question Paper - 2019 (Set - 1) with Answer Key

19) A 10 Ohm resistor and 15 Ohm resistor are connected in series to a 2V cell. The voltage across the 10 Ohm resistor is measured as 2V. Which of the following is a possible cause?

15 Ohm resistor is short circuited

20) A constant current of 2 mA charges a 20 microFarade capacitor for 2 s. Which of the following is true for the charging of the capacitor.

Capacitor voltages increases linearly from 0V to 200V

21) which of the following is true for a hot wire ammeter?

All of the above

22) Current transformer is employed for

For measurement of high alternating current

ISRO Technician-B Electrician Question Paper - 2019 (Set - 1) with Answer Key