Related Questions

The PIV rating of each diode in a bridge rectifier is ___________ that of the equivalent centre-tap rectifier
A one-half
B the same as
C twice
D four times
L is older than M and taller than N. O is younger than P, older than N and shorter than Q. R is older than S, younger than N, shorter than S and taller than Q. S is older than L, M, O, P, Q, R and S is necessarily false?
A O is the shortest of the group.
B N is the second tallest of the group.
C L is the tallest of the group.
D Q is the third oldest of the group.
The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be:
A One-half the primary current
B Same as the primary current
C Twice the primary current
D No more than 10% less than the primary current
E None of the above
How many diodes are in a full wave bridge rectifier?
A 8
B 2
C 4
D 3
Ageing of a selenium rectifier may change the output voltage by
A 5 to 10 per cent
B 15 to 20 per cent
C 25 to 30 per cent
D none of the above
A train 150 meter long and running at a speed of 60 km per hour takes 30 seconds to cross a bridge. what is a length of the bridge?
A 450 meter
B 500 meter
C 350 meter
D 650 meter
A man walking at the rate of 5 km/hr crosses a bridge in 15 minutes. The length of the bridge (in meters) is-
A 600
B 750
C 1000
D 1250
The Jamuna bridge is the ---largest bridge in the world.
A 5th
B 9th
C 10th
D 93th
A train 100 m long passes a bridge at the rate of 72 km per hour in 25 seconds. The length of the bridge is-
A 150 m
B 250 m
C 300 m
D 400 m
The Jamuna bridge is the ----largest bridge in the world.
A 5th
B 9th
C 10th
D 93th

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