Worksheets10 Direct-Current Circuits
Total questions: 13
Worksheet time: 7mins
Name
Class
Date
1.
energy produced per unit charge, drawn from a source that produces an electrical current
a)
electromotive force (emf)
b)
equivalent resistance
c)
internal resistance
d)
three-wire system
2.
resistance of a combination of resistors; it can be thought of as the resistance of a single resistor that can replace a combination of resistors in a series and/or parallel circuit
a)
electromotive force (emf)
b)
equivalent resistance
c)
internal resistance
d)
three-wire system
3.
amount of resistance to the flow of current within the voltage source
a)
electromotive force (emf)
b)
equivalent resistance
c)
internal resistance
d)
three-wire system
4.
sum of all currents entering a junction must equal the sum of all currents leaving the junction
a)
Kirchhoff’s rules
b)
loop rule
c)
Ohm rule
d)
junction rule
5.
set of two rules governing current and changes in potential in an electric circuit
a)
Kirchhoff’s rules
b)
loop rule
c)
Ohm rule
d)
junction rule
6.
algebraic sum of changes in potential around any closed circuit path (loop) must be zero
a)
Kirchhoff’s rules
b)
loop rule
c)
Ohm rule
d)
junction rule
7.
difference in electric potential between two points in an electric circuit, measured in volts
a)
electromotive force (emf)
b)
potential resistance
c)
potential difference
d)
potential drop
8.
loss of electric potential energy as a current travels across a resistor, wire, or other component
a)
electromotive force (emf)
b)
potential resistance
c)
potential difference
d)
potential drop
9.
circuit that contains both a resistor and a capacitor
a)
RC circuit
b)
DC Ciruit
c)
terminal voltage
d)
thermal hazard
10.
hazard in which an electric current passes through a person
a)
three-wire system
b)
shock hazard
c)
terminal voltage
d)
thermal hazard
11.
potential difference measured across the terminals of a source when there is no load attached
a)
three-wire system
b)
shock hazard
c)
terminal voltage
d)
thermal hazard
12.
hazard in which an excessive electric current causes undesired thermal effects
a)
three-wire system
b)
shock hazard
c)
terminal voltage
d)
thermal hazard
13.
wiring system used at present for safety reasons, with live, neutral, and ground wires
a)
three-wire system
b)
shock hazard
c)
terminal voltage
d)
thermal hazard
100 %
