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Physics 10 Chapter 14 - Current and Electricity - 11
1.
What is the energy called that is converted from non-electrical forms to electrical form when one coulomb of positive charge passes through the battery?
a) Potential difference
b) Kinetic energy
c) E.m.f
d) Voltages
2.
What is the energy called that is supplied by a battery to a unit positive charge when it flows through the closed circuit?
a) Kinetic energy
b) Electromotive force
c) Potential difference
d) Voltages
3.
What is the energy called that is converted from non-electrical forms to electrical form when one coulomb of positive charge passes through the battery?
a) Electromotive force
b) Potential difference
c) Voltages
d) Kinetic energy
4.
What is the formula for e.m.f?
a) E.m.f = Charge / Energy
b) E.m.f = Energy / Charge
c) E.m.f = Energy x Charge
d) E.m.f = Charge + Energy
5.
What is the formula for e.m.f?
a) E = Q / W
b) E = W - Q
c) E = W x Q
d) E = W / Q
6.
What is ‘E’ in the formula of e.m.f; “E = W / Q”?
a) Work done
b) E.m.f
c) Energy converted
d) Charge intensity
7.
What is ‘W’ in the formula of e.m.f; “E = W / Q”?
a) Work done
b) Charge intensity
c) Energy converted
d) E.m.f
8.
What is ‘W’ in the formula of e.m.f; “E = W / Q”?
a) Negative charge
b) Positive charge
c) Resistance
d) Neutral charge
9.
What is the unit for e.m.f?
a) J
-1
C
-1
b) J
-1
C
c) JC
d) JC
-1
10.
What is the SI unit for e.m.f?
a) Volt
b) Newton
c) Joules
d) Ohm
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