2.2 Electric current and Potential Differences
Quiz
•
Physics
•
11th - 12th Grade
•
Hard
nik nazim
Used 12+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A potential difference of 24 V is applied to a 150 resistor. How much current flows through the resistor?
0.15 A
3600 A
6.25 A
0.16 A
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Voltage is measured in __.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When lighting happen,25 C charge is transferred from could to the ground and 1.25x1010 J energy is produced. Calculate the potential difference within cloud and the ground in unit Volt
4.00 x 108
2.00 x 108
3.00 x 108
5.00 x 108
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of rheostat?
To control the resistance in the circuit
To control the potential difference in the circuit
To control the current in the circuit
To control the power in the circuit
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
............... state that the current flowing through an ohmic conductor is directly proportional to the potential difference across its end,provided that its temperature and the other physical conditions remain constant.
Pressure Law
Ohm’ s Law
Charles Law
Ohmic Law
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gradient of graph refer to
Internal resistance
External resistance
Electromotive force
Power
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resistance is defined as
Ratio of potential difference to the current
Ratio of current to the potential difference
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