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Q 1/5
Score 0
If a section of an electric circuit has a resistance of 10 ohms and a current of 2 amperes flowing through it, what is the voltage across this section?
30
$20$ volts
$15$ volts
$12$ volts
$5$ volts
Q 2/5
Score 0
A light bulb has a resistance of $240$ ohms and operates at a voltage of $120$ volts. What is the current flowing through the light bulb?
30
$1$ ampere
$0.5$ amperes
$2$ amperes
$0.25$ amperes
5 questions
Q.
If a section of an electric circuit has a resistance of 10 ohms and a current of 2 amperes flowing through it, what is the voltage across this section?
1
30 sec
Q.
A light bulb has a resistance of $240$ ohms and operates at a voltage of $120$ volts. What is the current flowing through the light bulb?
2
30 sec
Q.
If the voltage across a circuit element is $48$ volts and the current flowing through it is $4$ amperes, what is the resistance of the element?
3
30 sec
Q.
What is the current flow in a circuit with a voltage supply of $9$ volts and a resistance of $3$ ohms?
4
30 sec
Q.
If a resistor with a resistance of $5$ ohms is connected across a power source supplying a voltage of $15$ volts, what is the power dissipated by the resistor?
