A circuit in which the path for current has been broken is commonly called a. a

Question

A circuit in which the path for current has been broken is commonly called
a. a short circuit.
b. grounded circuit.
c. closed circuit.
d. an occluded circuit.
e. an open circuit.

The terminal potential difference (voltage) measured for a cell (battery) is typically less than the emf because
a. the battery has internal resistance.
b.some of the current leaks away.
c.the battery is a current sink.
d.the battery is not fully charged.
e.the battery has no source of charge.

Electrical energy is commonly measured in the units of
volt-seconds.
a. coulombs/second.
b. joules/coulomb.
c. kilowatt-hours.
d. ampere-seconds.

The capacitance of a parallel plate capacitor is
a. proportional to the electric field between the plates.
b. proportional to the area of the plates.
c. proportional to the charge on the plates.
d. proportional to the separation between the plates.
e. proportional to both the area between the plates and the separation between the plates.

Explanation / Answer

c. closed circuit. c.the battery is a current sink. a. coulombs/second. e. proportional to both the area between the plates and the separation between the plates.

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