Computer Programming MCQs

5739 MCQs  (Page 485 of 574)

Selenium becomes a conductor in light so it behaves like____________?
A. Semiconductor
B. Photodiode
C. Light emitting diode
D. Capacitor
In a non-uniform electric field a polar molecule will experience____________?
A. Net torque
B. Net force
C. Both series and parallel combinations
D. Zero
The metallic spheres A and B of radii 2m and 4m respectively carry the same charge 4 x 10 8C. If the spheres are connected by a copper wire_______________?
A. Charge will flow from a to b
B. Charge will flow from b to a
C. No flow of charge will occur
D. Both a and b are possible
Equipotential planes are_______________?
A. Parallel to one another
B. Non parallel to one another
C. Intersecting
D. Circular
A 25eV electron has a speed of______________?
A. 2 x 106m/sec
B. 3 x 106m/sec
C. 5 x 106m/sec
D. 4 x 106m/sec
Electric intensity being a vector quantity always points_______________?
A. Along the direction of force experienced by a unit positive charge
B. Opposite to the direction of force experienced by a unit positive charge
C. Perpendicular to the direction of force experienced by a uit positive charge
D. Any of above