Question
Which of the following device is used for storage of
charge in pulsed electric fieldSolution
A capacitor  is a device  that stores electrical  energy in an electric field .
100 metre long train ‘A’ can cross a platform of length 50 metres in 20 seconds. If the speed of train ‘B’ is 6 m/s more than that of train ‘A...
Train Q of length 360m can cross a pole in 12sec and it can cross train P running in opposite direction in 100/7 sec. If the speed of train P is 2/5 of ...
Train A (150 m) runs at 60 km/h and Train B (100 m) runs at 42 km/h in the same direction. How much time will A take to completely overtake B?
 A train 200m long crosses a 300m platform in 25 sec. Find time taken to cross a man running at 18 km/hr in opposite direction.
Train ‘A’ can cross a pole in 10 seconds and a 50 metre long platform in 12 seconds. If the ratio of length of train ‘A’ and train ‘B’ is 2:...
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Train ‘A’ running with a speed of 108 km/hr crosses a vertical pole in 6 seconds. Find the approx. time taken by the train ‘A’ to cross a train ...
Train A of length 180 m is running at 54 km/h. Train B of length 220 m is running at 72 km/h in the same direction. In how many seconds will Train A com...
A train 480 metres long is running at a speed of 54 km/hr. If it crosses a tunnel in 1 minute, then the length of the tunnel (in meters) is:
Two trains 160 metres and 140 metres in length are running towards each other on parallel tracks, one at the rate 52 km/hr and another at 38 km/hr. In h...
