Level 2:Ohm’s Law to calculate required values for voltage.
Quiz by nadine diab
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5 questions
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- Q1If 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?$20$ volts$15$ volts$12$ volts$5$ volts30s
- Q2A 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?$1$ ampere$0.5$ amperes$2$ amperes$0.25$ amperes30s
- Q3If 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?$24$ ohms$8$ ohms$12$ ohms$16$ ohms30s
- Q4What is the current flow in a circuit with a voltage supply of $9$ volts and a resistance of $3$ ohms?$2$ amperes$3$ amperes$6$ amperes$12$ amperes30s
- Q5If 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?$75$ watts$45$ watts$10$ watts$3$ watts30s