An electron enters a region where the electric field E is perpendicular to the magnetic field B. It will suffer no deflection if_________________?

Related Mcqs:

The relationship between Tesla and smaller unit Gauss of magnetic induction is given by_________________?

A. 1T = 103 G B. 1T = 10-4 G C. 1T = 10-2 G D. 1T = 104 G...

A particle of mass m charge q and speed V enters a uniform magnetic radius r. The radius r of the circle is_________________?

A. independent mass m B. directly proportional to m C. directly proportional to q D. directly proportional to B...

A current carrying conductor is placed in a uniform magnetic field parallel to it. The magnetic force experienced by the conductor is _____________________?

A. F=1/B B. F=1/Bsinθ C. F/0 D. F=1/Bcosθ...

An ammeter measures the total current flowing through a circuit when it is connected__________________?

A. in series with the circuit B. in parallel with circuit C. in series with any of the parallel resistances in the circuit D. in parallel with any of the series resistances in the circuit...

The effective way to increase the sensitivity of a moving coil galvanometer is to___________________?

A. use a very long and fine suspension B. use a coil of very large area C. use a coil with very large number of turns D. use a very strong magnetic field...