WorksheetsETS 2 (PRE-UPS 2) PHYSICS SES DP024_SET 2
Total questions: 20
Worksheet time: 10mins
What happens to a resistor when the temperature is increased?
Increase
Decrease
Constant
Changes
Define electric current.
The total charge, Q flowing through the area per unit time, t.
The rate of capacitance flow through a conductor.
The total, I flowing through the area per unit time, t.
The rate of current flow through a conductor.
1 ampere of current is defined as __________.
one coulomb of current passing through the surface area in one second.
one coulomb of charge passing through the surface area in one second.
one coulomb of charge passing through the conductor in one second.
one coulomb of current passing through the conductor in one second.
Resistivity is defined as ________.
the capacitance of a unit length per unit cross-sectional area of the material.
the capacitance of a unit cross-sectional per unit length of the material.
the resistance of a unit length per unit cross-sectional area of the material.
the resistance of a unit cross-sectional area per unit length of the material.
Which of the following is not a good conductor?
Copper
Silver
Aluminum
Wood
You double the voltage across a certain conductor and you observe the current increases double times. What can you conclude?
Ohm’s law is obeyed since the current still increases when V increases
Ohm’s law is not obeyed
This has nothing to do with Ohm’s law
None of the above
The current in the conductor _________.
R1 = R2
R1 > R2
R1 < R2
R1 = R2
The resistance in the two conductor ________.
R2 = R3
R2 > R3
R2 < R3
R2 = R3
Two resistors, R1 and R2 are connected in series. If R2 > R1, which among the statements is TRUE about the electric currents that passes through each resistor?
I1 > I2
I1 = I2
I1 < I2
I1 = I2
Two resistors, R1 and R2 are connected in parallel. If R2 > R1, which among the statements is TRUE about the electric voltage that is used up by each resistor?
V1 > V2
V1 = V2
V1 < V2
V1 = V2
The device that can store electric charge.
Resistor
Capacitor
Conductor
Dielectric
_________________ is defined as the charge of 1 Coulomb stored on each of the conducting plates as a result of a potential difference of 1 volt between the two plates.
1 ampere
1 farad
1 coulomb
1 ohm
The _______________ capacitance of a capacitor, the ___________ charge is required.
greater, less
lower, less
greater, more
lower, more
When capacitors connected in ____________, the potential difference, V across each capacitor is sum.
series
parallel
Combination of series and parallel
none of above
Three capacitors are arranged as shown in the diagram. State the connection of the capacitors.
series
parallel
combination of series and parallel
none of above
______________ a capacitor is the process to increase the number of charges inside the capacitor.
Neutral
Uncharged
Charging
Discharging
_______________ a capacitor is a process when charges flow out of the capacitor.
Neutral
Uncharged
Charging
Discharging
When capacitors are arranged in parallel, the potential difference, V across each capacitors is the ______________ while total charge, Q is the ______________ of the charge on each capacitor.
same, same
sum, sum
same, sum
sum, same
The time taken for the current in a circuit to decrease to ________________ of its original value while charging.
0.37
0.33
0.63
0.68
The time taken for the capacitor in a circuit increase its charge to ________________ of its maximum value while charging.
0.37
0.33
0.63
0.68
