1. An Iphone uses a standard 1.5V battery. How much resistance is in the circuit if it uses a current of 10mA?

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ohm's law 

1. An Iphone uses a standard 1.5V battery. How much resistance is in the circuit if it uses a current
of 10mA?
2. What amount of current flows through a hair dryer plugged into a 110V circuit if it has a
resistance of 25 ohms?
3. A 12V car battery pushes charge through a headlight circuit resistance of 10 ohms. How much
current is passing through the circuit?
4. A light bulb has a resistance of 5 ohms and a maximum current of 10 A. How much power does
it consume?
5. An electric toaster is connected to a 120V outlet. If the heating element of a toaster has a
resistance of 14 ohms, calculate the current flowing through it.
6.
A voltage source of 220V supplies a light bulb of 10 Watts. Solve for the current.
7. A flashlight that runs with a two D-cells of 1.5 V each in series. The bulb is rated at 0.7A. What is
the resistance.
8. A refrigerator freezer has an energy consumption of 0.98 Kwh/24hr. How many watts does it
consume in 1 month (30 days)?
9. A 1HP air conditioner is plugged in a 230 V source outlet. Calculate the current flowing through
it.
10. How much power is consumed by an appliance with a rated current of 0.7A and a rated voltage
of 230V?
Transcribed Image Text:1. An Iphone uses a standard 1.5V battery. How much resistance is in the circuit if it uses a current of 10mA? 2. What amount of current flows through a hair dryer plugged into a 110V circuit if it has a resistance of 25 ohms? 3. A 12V car battery pushes charge through a headlight circuit resistance of 10 ohms. How much current is passing through the circuit? 4. A light bulb has a resistance of 5 ohms and a maximum current of 10 A. How much power does it consume? 5. An electric toaster is connected to a 120V outlet. If the heating element of a toaster has a resistance of 14 ohms, calculate the current flowing through it. 6. A voltage source of 220V supplies a light bulb of 10 Watts. Solve for the current. 7. A flashlight that runs with a two D-cells of 1.5 V each in series. The bulb is rated at 0.7A. What is the resistance. 8. A refrigerator freezer has an energy consumption of 0.98 Kwh/24hr. How many watts does it consume in 1 month (30 days)? 9. A 1HP air conditioner is plugged in a 230 V source outlet. Calculate the current flowing through it. 10. How much power is consumed by an appliance with a rated current of 0.7A and a rated voltage of 230V?
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