Applying Ohm's Law
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Last updated over 3 years ago
10 questions
Note from the author:
In this exercise, you will become familiar with the most common terms and symbols associated with electrical theory. The following electrical terms and symbols are used to describe electrical circuit action.
Voltage = E, V, volts, electrical pressure, electromotive force (EMF), potential
Current = I, A, amperes, amps, electron flow
Resistance = R, Ω, ohms
Use the different forms of Ohm's Law to calculate the unknown value in each question.
In this exercise, you will become familiar with the most common terms and symbols associated with electrical theory. The following electrical terms and symbols are used to describe electrical circuit action.
Voltage = E, V, volts, electrical pressure, electromotive force (EMF), potential
Current = I, A, amperes, amps, electron flow
Resistance = R, Ω, ohms
Use the different forms of Ohm's Law to calculate the unknown value in each question.
Required
1
A meter should indicate ______ volts when connected across a 100 Ω resistor that has 6 amps of current passing through it.
A meter should indicate ______ volts when connected across a 100 Ω resistor that has 6 amps of current passing through it.
Required
1
A toaster with a 20 ohm heater element would produce a current of ______ A when connected to a 120 volt circuit.
A toaster with a 20 ohm heater element would produce a current of ______ A when connected to a 120 volt circuit.
Required
1
A 12 volt indicator lamp would have a resistance value of ______ ohms to produce a current of 0.5 amps.
A 12 volt indicator lamp would have a resistance value of ______ ohms to produce a current of 0.5 amps.
Required
1
A voltage of _____ V is needed to produce a 1.5 ampere current reading when connected to a 20 ohm resistance.
A voltage of _____ V is needed to produce a 1.5 ampere current reading when connected to a 20 ohm resistance.
Required
1
______ amperes will be present when a 30 ohm resistor is connected to a 6 volt source.
______ amperes will be present when a 30 ohm resistor is connected to a 6 volt source.
Required
1
______ volts are required to produce 0.005 amps of current through a 100 ohm resistor.
______ volts are required to produce 0.005 amps of current through a 100 ohm resistor.
Required
1
A ______ Ω resistor will produce a current equal to 0.025 amps when connected to a 12 volt source.
A ______ Ω resistor will produce a current equal to 0.025 amps when connected to a 12 volt source.
Required
1
A 6 volt source connected to a 1,200 ohm resistor will cause a ______ amp current.
A 6 volt source connected to a 1,200 ohm resistor will cause a ______ amp current.
Required
1
A potential equal to ______ V is needed to provide 0.010 amps of current through a 100 ohm resistor.
A potential equal to ______ V is needed to provide 0.010 amps of current through a 100 ohm resistor.
Required
1
A ______ amp current will be produced when a 240 ohm resistor is connected to a 6 volt source.
A ______ amp current will be produced when a 240 ohm resistor is connected to a 6 volt source.