If we grasp a wire with right hand such that the thumb pointed in the direction of current, then the curling fingers of hand will point the:
Weak ionic current in our body that travels along the nerve can produce the:
The magnetic field produced near the current-carrying conductor is:
The strength of magnetic field is defined as:
Which one is true about magnetic poles?
If we apply law of conversion of energy to electromagnetic induction, electrical energy induced in a conductor comes from
We get wool from sheep (Which word is a material noun?)
Magnetic effect of current is called
Lenz devised a rule to find out direction of
If we grasp a wire with right hand such that thumb pointed in direction of current, then curling fingers of hand will point
When plane of coil is perpendicular to lines of magnetic force, number of lines of magnetic force passing through coil will be
Two trains of length 100 m and 200 m are 100 m apart. They start moving towards each other on parallel tracks, at speeds 54 kmph and 72 kmph. After how much time will the trains meet
P, Q, R, S and T are five speakers who have to speak on a particular day, not necessarily in the same order. R is neither the first nor the last speaker. There are three speakers after S and three speakers ahead of T. If P speaks after Q, then who is the last speaker to speak