What is the resistance of a 12v 10w bulb?

What is the resistance of a 12v 10w bulb?

10 watt bulb, cold, 1.6 ohms.

How do you convert ohms to volts?

Volts to ohms calculation with watts Calculate the resistance in ohms of a resistor when the voltage is 5 volts and the power is 2 watts. The resistance R is equal to square of 5 volts divided by 2 watts, which is equal to 12.5 ohms.

What is the resistance of a 12v 5w bulb?

I think that the resistors that are shown in the original link are for side light bulbs which are 5w, which at 12v give a resistance of approx 30 ohms.

What is the resistance of a bulb?

The typical cold resistance of a 100 W incandescent lamp is about 9.5 ohms. If that resistance stayed the same with 120 V applied, Ohm’s Law tells us that the bulb would draw about 12.5 amps and dissipate about 1,500 watts.

How do you calculate the resistance of a light bulb?

Since it involves the relationship of power voltage, current, and resistance, using the formula I=P/V with P and V known to find the current, and then using the formula R=P/I^2 to find the resistance will be the right steps to take.

What is the resistance in a 60 W 12 V light bulb?

How much resistance does a 60 watt bulb have? The filament in a 60 watt bulb has a resistance of 240 ohms as compared to 145 ohms for a 100 watt bulb. The above assumes that the voltage source is constant at 120 volts.

Can resistance be in volts?

Resistance has units of ohms (Ω), related to volts and amperes by 1 Ω = 1 V/A. There is a voltage or IR drop across a resistor, caused by the current flowing through it, given by V = IR.

How do you find current with voltage and resistance?

From this, we conclude that; Current equals Voltage divided by Resistance (I=V/R), Resistance equals Voltage divided by Current (R=V/I), and Voltage equals Current times Resistance (V=IR).

What is the resistance of a car bulb?

The resistance of each brake light bulb on an automobile is 6.9 Ω. Use the fact that cars have 12-V electrical systems to compute the current that flows in each bulb. (For simplicity, assume that the circuit is only composed of one brake light bulb and the car battery.)

What is resistance in a light bulb?

What is bulb voltage?

The volts listed refer to the force of electricity that is going into the bulb from a battery or electrical outlet. Some bulbs are more suited to one force of electricity or another. Common voltages are 120V, 130V, or very low-voltage bulbs like 12V. A 100-watt bulb will give you more light than a 60-watt bulb.