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ISRO Technician-B
Electronic Mechanic
ISRO Technician-B Electronic Mechanic 2017
49

ISRO Technician-B Electronic Mechanic Question Paper - 2017 (Set - 1) with Answer Key

49) The bandwidth of a Television channel is

5 MHz

7 MHz

9 MHz

6 MHZ

Answer is:

7 MHz

ISRO Technician-B Electronic Mechanic Question Paper - 2017 (Set - 1) with Answer Key

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Related ISRO Technician-B Electronic Mechanic Question Paper - 2017 (Set - 1) with Answer Key

50) A conductor of 100 m length with 1 mm diameter has a resistance of 900 m Ohm. What will be the resistance of another conductor of same material with same length and 3 mm diameter?

300 m Ohm

100 m Ohm

2700 m Ohm

none of the above

Answer is:

100 m Ohm

51) In electromagnetic spectrum visible light lies in between

X-rays and UV

Infrared and microwave

Microwaves and radio waves

UV and infrared

Answer is:

UV and infrared

52) Two heaters, rated 1000 Watts, 250 V each are connected in series across a 250 V, 50 Hz ac mains. What will be the total power drawn from the supply?

1000 Watts

500 Watts

250 Watts

2000 Watts

Answer is:

500 Watts

53) The rms value of a sinusoidal ac current is numerically equal to its value at an angle of _____ degrees

60

30

45

90

Answer is:

45

ISRO Technician-B Electronic Mechanic Question Paper - 2017 (Set - 1) with Answer Key

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