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MULTIPLE CHOICE :
Choose the one alternative that best completes the statement or answers the question.
1) Electrons are made to flow in a wire when there is
A) an imbalance of charges in the wire.
B) more potential energy at one end of the wire than the other.
C) a potential difference across its ends. **
2) An ampere is a unit of electrical
A) pressure.
B) current. **
C) resistance.
D) all of these.
E) none of these.
3) A wire that carries an electric current
A) is electrically charged.
B) may be electrically charged. **
C) is never electrically charged.
4) A coulomb of charge that passes through a 6-volt battery is given
**A) 6 joules. B) 6 amperes. C) 6 ohms. D) 6 watts. E) 6 Newton
Choose the one alternative that best completes the statement or answers the question.
1) Electrons are made to flow in a wire when there is
A) an imbalance of charges in the wire.
B) more potential energy at one end of the wire than the other.
C) a potential difference across its ends. **
2) An ampere is a unit of electrical
A) pressure.
B) current. **
C) resistance.
D) all of these.
E) none of these.
3) A wire that carries an electric current
A) is electrically charged.
B) may be electrically charged. **
C) is never electrically charged.
4) A coulomb of charge that passes through a 6-volt battery is given
**A) 6 joules. B) 6 amperes. C) 6 ohms. D) 6 watts. E) 6 Newton
