Related Questions

An SCR is turned off when ___________
A Anode current is reduced to zero
B Gate voltage is reduced to zero
C Gate is reverse biased
D None of the above
Ravi left home and cycled 10 km towards South, then turned right and cycled 5 km and then again turned right and cycled 10 km. After this he turned left and cycled 10 km. How many kilometers will he have to cycle to reach his home straight?
A 10 km
B 15 km
C 20 km
D 25 km
When an SCR is turned on, the voltage across it is about ___________
A Zero
B 10 V
C 1.5 V
D 1 V
When SCR is OFF, the current in the circuit is ___________
A Exactly zero
B Small leakage current
C Large leakage current
D None of the above
If the hour hand of a clock is turned anticlockwise from 2 pm to 9 am , through how many degree it will have turned ?
A 210
B 570
C 150
D 510
The door of my house is toward east. From the backside of my house I drove straight 100 meters. Then turned right and drove for 100 meters and then turned toward left and drove 50 meters and reached my destination. In which direction am I from the starting point?
A North-west
B South-west
C East
D West
Amit started walking positioning his back towards the sun. After some time, he turned left, then turned right and towards the left again. In which direction is he going now?
A North or South
B North or West
C East or West
D South or West
Pipe A can fill an empty cistern in 4 hours while along with Pipe B it can fill it up in 3 hours. Only Pipe A is turned on for an hour after which Pipe B is also turned on. How much total time will it take to fill up the cistern?
A 3 hrs 20 min
B 3 hrs 25 min
C 3 hrs 15 min
D 3 hrs
Two pipes A & B would fill a tank in 20 & 30 minutes respectively. Both pipes being open, find when A must be turned off so that tank may be just filled in 15 minutes.
A After 10 minutes
B After 20 minutes
C After 15 minutes
D None
Two pipes A and B can fill a tank in 15 minutes and 20 minutes respectively. Both the pipes are opended together but after 4 minutes, pipe A is turned off. What is the total time required to fill the tank?
A 10 min 20 sec
B 11 min 45 sec
C 12 min 30 sec
D 14 min 40 sec

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