Ohm's Law - General Questions Online Exam Quiz
Ohm's Law - General Questions GK Quiz. Question and Answers related to Ohm's Law - General Questions. MCQ (Multiple Choice Questions with answers about Ohm's Law - General Questions
An electric heater draws 3.5 A from a 110 V source. The resistance of the heating element is approximately
Options
A : 385
B : 38.5
C : 3.1
D : 31
If 750 µA is flowing through 11 k of resistance, what is the voltage drop across the resistor?
Options
A : 8.25 V
B : 82.5 V
C : 14.6 V
D : 146 V
The formula to find I when the values of V and R are known is
Options
A : I = VR
B : I = R/V
C : V = IR
D : I = V/R
A resistor is connected across a 50 V source. What is the current in the resistor if the color code is red, orange, orange, silver?
Options
A : 2 mA
B : 2.2 mA
C : 214 mA
D : 21.4 mA
Approximately how many milliamperes of current flow through a circuit with a 40 V source and 6.8 k of resistance?
Options
A : 27.2 mA
B : 59 mA
C : 5.9 mA
D : 590 mA
How much resistance is required to limit the current from a 12 V battery to 3.6 mA?
Options
A : 3.3 k
B : 33 k
C : 2.2 k
D : 22 k
What is the voltage source for a circuit carrying 2 A of current through a 36 resistor?
Options
A : 1.8 V
B : 18 V
C : 7.2 V
D : 72 V
What is the approximate resistance setting of a rheostat in which 650 mA of current flows with a 150 V source?
Options
A : 9.7
B : 97
C : 23
D : 230
How much voltage is needed to produce 2.5 A of current through a 200 resistor?
Options
A : 50 V
B : 500 V
C : 80 V
D : 8 V
When there is 12 mA of current through a 1.2 k resistor, the voltage across the resistor is
Options
A : 14.4 V
B : 1.4 V
C : 100 V
D : 10 V
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