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Worksheets1104 Ch 7 Current Potential Difference and Energy FlowReview
Total questions: 27
Worksheet time: 21mins
A fine stream of tap water is bent when a charged comb is brought near it. This observation is related to .....
Electromagnetic field
Magnetic Field
Electric Field
Battle Field
Tiny pieces of paper are attracted to a charged plastic comb. This is because .............
same charges repelled.
Diffrent charge attract to each other.
Different charges repelled.
Electric current is define as ..............
The rate of flow of charge, Q in conductor
The rate of flow of Voltage, V in conductor
The rate of flow of resistance, R in conductor
An ammeter must be connected in _________ with a load? (Series or Parallel)
Series
Parallel
What kind of energy is stored energy?
Potential
Kinetic
None of the above
All of the above
Materials through which electrons flow easily
conductors
insulators
electrodes
chargers
A continuous conducting path for current.
electrode
circuit
voltaic pile
axon
an incomplete circuit through which electricity will not flow
open circuit
electron
closed circuit
electric circuit
An electric circuit with only one path through which charge can flows. All components are connected in a series.
voltage circuit
series circuit
parallel circuit
electric current
A circuit that contains more than one path for current flow.
voltage circuit
series circuit
parallel circuit
electric current
What is the name of electrical measuring instrument in the figure shown?
Voltmeter
Ammeter
Ohmmeter
AVO meter
What is the name of an electrical measuring instrument that used to measure an electrical current ?
Voltmeter
Ammeter
Ohmmeter
Multimeter
What is the name of an electrical measuring instrument that used to measure an electrical voltage ?
Voltmeter
Ammeter
Ohmmeter
Multimeter
10e-9
m
n
p
k
10e-3
m
n
p
T
Protons have a ____________ charge and Electrons have a _______________ charge.
Positive, Positive
Positive, Negative
Negative, Positive
Negative, Negative
If you cut a bar magnet in half, each half would...
lose it's magnetic field
have it's own north and south poles
repel plastic objects
What is a parallel circuit?
a continuous loop
a circuit with one path
a circuit with multiple branches for each individual appliance or light
What is the power of the circuit?
0.33 W
3 W
8 W
12 W
What is the energy of the circuit if it is running for 40 seconds?
0.3 J
3.3 J
120 J
480 J
What is the equivalent or total resistance (Re) across this circuit?
3 kΩ
10 kΩ
13 kΩ
18 kΩ
