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Resistors
Test Description: A resistor is a basic component in electronic circuits, in this game we are going to study the properties of Resistors
Instructions: Answer all questions to get your test result.
1) The voltage U across a resistor R and the current I across it ,is related by Ohm’s Law :
A
R = U I
B
U = R I
C
I = R I
D
U = R / I
2) The unit of the resistance of a resistor in SI unit Is :
A
Ohm( Ω )
B
Ampere ( A )
C
All choices
D
Volt ( V )
3) The Multimeter used to measure directly the resistance of a resistor is :
A
All choices
B
Voltmeter
C
Ohmmeter
D
Ammeter
4) The Resistance of the equivalent resistor of grouping two resistors in parallel is given by :
A
1/Re = 1/R1 + 1/R2
B
Re = R1 x R2
C
Re = R1 + R2
D
Re = (R1 + R2 )/R1 x R 2
5) The characteristic Current – voltage of a resistor is :
A
Descending straight line cuts x - axis
B
Semi circle
C
Ascending Straight line cuts Y - axis
D
Straight line passing through the origin
6) The slope of the characteristic Current – Voltage of a resistor is the :
A
Multiplication of current with voltage
B
None of the choices
C
Ratio of voltage to the current
D
Ratio of current to voltage
7) The value 1 KΩ
A
1 Ω
B
None of the choices
C
10Ω
D
1000 Ω
8) The ohmmeter uses to measure the resistance of aresistor by connected it by :
A
parallel
B
Series across the dry cell
C
Series
D
All choices
9) When current of 2A crosses a resistor submitted to 10V voltage then the value of resistor is :
A
All choices
B
0.2 Ω
C
5Ω
D
10 Ω
10) The value of equivalent resistance of R1=3Ω and R2 = 6Ω, grouped in parallel is:
A
12Ω
B
2Ω
C
18Ω
D
All choices
*select an answer for all questions
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