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- 1. Multiple Choice
This is an example of a _______ circuitopenseriesparallelsquare - 2. Multiple ChoiceIf the voltage is increased and the resistance stays the same, current will ____.IncreaseDecreaseStay the sameNot enough info
- 3. Multiple ChoiceIf the voltage stays the same and resistance is increased, current will ________.IncreaseDecreaseStay the sameNot enough info
- 4. Multiple ChoiceFind total resistance
total current
and the voltage through resistor 3.60 Ohms, 0.4 A, 8 V60 Ohms, 2.5 A, 4 V90 Ohms, 2.5 A, 24 V60 Ohms, 0.4 A, 24 V - 5. Multiple ChoiceWhat is the power of a 3V light bulb with 20 A running through it?0.15W6W60W6.67W
- 6. Multiple ChoiceIf a battery produces 12.6 Volts, what would be the current for a 6 Ohm resistor?2.1 Amps75.6 Amps0.5 Amps15 Amps
- 7. Multiple ChoiceA light circuit is operating at 75 Volts. What is the circuit's current if the resistance is 5 Ohms?375 Amps50 Amps15 Amps0.07 Amps
- 8. Multiple ChoiceTwo resistors are connected to a source of voltage as shown in the diagram below. At which position should an ammeter be placed to measure the current passing only through resistor R1?1234
- 9. Multiple ChoiceA 2.0-ohm resistor and a 4.0-ohm resistor are connected in series with a 12-volt battery. If the current through the 2.0-ohm resistor is 2.0 amperes, the current through the 4.0-ohm resistor is1.0 A2.0 A3.0 A4.0 A
- 10. Multiple ChoiceWhere should an ammeter be located to correctly measure the total current and where should a voltmeter be located to correctly measure the total voltage?ammeter at 3 and voltmeter at 4ammeter at 1 and voltmeter at 4ammeter at 2 and voltmeter at 3ammeter at 1 and voltmeter at 2
- 11. Multiple ChoiceResistors R1 and R2, connected in parallel, have an equivalent resistance of 6 ohms when connected in the circuit shown below. The resistance of R1 could be1 ohm4 ohms5 ohms8 ohms
- 12. Multiple ChoiceA 30.-ohm resistor and a 60.-ohm resistor are connected in an electric circuit as shown below. Compared to the electric current through the 30.-ohm resistor, the electric current through the 60.- ohm resistor issmallerlargercannot be determinedthe same
- 13. Multiple ChoiceAn electric circuit contains an operating heating element and a lit lamp. Which statement best explains why the lamp remains lit when the heating element is removed from the circuit?The lamp has less resistance than the heating element.The lamp has more resistance than the heating elementThe lamp and heating element were connected in parallel.The lamp and heating element were connected in series.
- 14. Multiple ChoiceHow much time is required for an operating 60-watt light bulb to use 120 joules of electrical energy?2 sec.2 sec.5 sec5 sec
- 15. Multiple ChoiceWhat is the current measured by ammeter A?0.5 Amps2 Amps72 Amps6 Amps
- 16. Multiple ChoiceWhat is the voltage drop across the 36 ohm resistor?12V3V0.33V24V
- 17. Multiple ChoiceA circuit is shown below. Which of the following is true of this circuit?It is series and therefore both resistors have the same voltageIt is series and therefore both resistors have the same currentIt is parallel and therefore both resistors have the same voltageIt is parallel and therefore both resistors have the same current
- 18. Multiple ChoiceTwo identical lamps, L1 & L2, are connected to a constant voltage power supply. The voltage drop across L1 is 36V. What is the voltage of the power supply?18V36V6V72V
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