1 ) P and Q are two charges of charge + 2 uC and - 2 uC respectively . So Electric field at point Z is ?
A ) zero , B ) non - zero ,
C ) infinite , D ) None of these ,
Correct answer : - B ) non - zero ,
Because both charges have Same magnitudes . So Voltage between them is zero and electric field between them at point Z is non - zero .
2 ) E = ∆V / d .
∆V = potential difference .
E = Electric field .
d = distance .
3 ) If electric field at a point is zero , so potential difference at a same point will be . . . . . . . . . . . . . . . ,
A ) zero , B ) non zero ,
C ) infinite , D ) None of these .
Correct answer : - B ) non zero ,
if electric field is zero , at same point potential difference will not be zero and vice versa .
4 ) When a plate is earthened , so its potential difference becomes . . . . . . . . . . . . . . . ,
A ) equal to zero , B ) infinite ,
C ) non zero , D ) None of these .
Correct answer : - A ) equal to zero ,
5 ) In projectile motion , horizontal force is . . . . . . . . . . . . ,
A ) constant , B ) uniform ,
C ) variable , D ) None of these .
Correct answer : - A ) constant ,
So object will have acceleration in downwards direction .
6 ) If an electron is entering in an electric field as shown , so it will deflect or not ?
A ) deflect towards positive plate ,
B ) deflect towards negative plate ,
C ) remains undeflected ,
D ) None of these .
Correct answer : - A ) deflect towards positive plate ,
Now go to online quiz section and Physics Quiz 10 is uploaded related to these mcqs , so check your preparation by this link : -
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