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ISRO
ISRO Technician-B
Electrician
ISRO Technician-B Electrician 2015
3

ISRO Technician-B Electrician Question Paper - 2015 (Set - 1) with Answer Key

3) Time constant for an R-L series circuit is given by

R/L

L/R

1/RL

RL

Answer is:

L/R

ISRO Technician-B Electrician Question Paper - 2015 (Set - 1) with Answer Key

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Related ISRO Technician-B Electrician Question Paper - 2015 (Set - 1) with Answer Key

4) Power factor of a purely resistive circuit is

Zero

unity

lagging

leading

Answer is:

unity

5) A heater is rated as 230 V, 1000 W A.C. the value 230 V refers to

peak voltage

r.m.s voltage

average voltage

instantaneous voltage

Answer is:

r.m.s voltage

6) As the frequency increases, the capacitive reactance of the circuit

decreases

increases

remains same

first increases then decreases

Answer is:

decreases

7) 0.01 ampere is the same as

10 micro Ampare

100 micro Ampare

1000 micro Ampare

10000 micro Ampare

Answer is:

10000 micro Ampare

ISRO Technician-B Electrician Question Paper - 2015 (Set - 1) with Answer Key

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