What will be the electric field required to hang abody of mass 1 gram containing charge of 1 microcoulomb in air take g=10 *
10000
1000
100
None of these
Answers
Answer:
Explanation:
Class 12 Physics Ch-01 Electric Charges & Fields (MCQ)
Q.1. Charge is the property associated with matter due to which it produces and experiences
(a) electric effects only
(b) magnetic effects only
(c) both electric and magnetic effects
(d) None of these
Answer
Q.2. Charge is
(a) transferable (b) associated with mass
(c) conserved (d) All of these
Answer
Q.3. A body is positively charged, it implies that
(a) there is only positive charge in the body.
(b) there is positive as well as negative charge in the body but the positive charge is more than negative charge
(c) there is equal positive and negative charge in the body but the positive charge lies in the outer regions
(d) negative charge is displaced from its position
Answer
Q.4. On rubbing, when one body gets positively charged and other negatively charged, the electrons transferred from positively charged body to negatively charged body are
(a) valence electrons only
(b) electrons of inner shells
(c) both valence electrons and electrons of inner shell
(d) yet to be established
Answer
Q.5. Which of the following is the best insulator?
(a) Carbon (b) Paper
(c) Graphite (d) Ebonite
Answer