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To find out which wire has the greatest resistance, you will need to measure the resistance of each wire using a multimeter. Connect the multimeter to each wire separately and record the resistance values displayed. The wire with the highest resistance value will have the greatest resistance.

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1y ago

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How do you find current if the resistance is not given?

You can find the current by using Ohm's Law, which states that current (I) is equal to voltage (V) divided by resistance (R). If the resistance is not given, you will need to know the voltage and another parameter such as power (P) or conductance (G) to calculate the current. Alternatively, you can measure the current using an ammeter in a circuit.


I need to draw a circuit diagram to show this but I have no idea how do you find the resistance of a lamp in a circuit?

If you have a lamp, you can assume that the resistance of the lamp when it is under power will follow the ohms law. BUT, one thing you must remember is, when a lamp is under load, it is glowing HOT. When metal is HOT, the molculoes of the meals are in much more active state. When this happens, the resistance will increase. Conversely, when the lamp is NOT on ON state, the filaments are cold. Moleculoes in the filaments are not as active. Thus, the resistance is lower. There is almost 10 to 1 difference in resistance from hot to cold. Taking out a multimeter and measuring the resistance of the lamp will not help you determine the resistance of the lamp when it is actually under load (with voltage applied) Really, the only thing you can do is to measure the voltage, measure the current, then arrive at the resistance mathmatically.


What is the net resistance of the circuit connected to the battery in the figure?

To find the net resistance of the circuit connected to the battery in the figure, you need to calculate the total resistance by adding up the individual resistances in the circuit.


How do you connect circuit to determine the resistance of unknown arm of post office box by kelvin method?

To determine the resistance of the unknown arm of a post office box using the Kelvin method, you need to create a four-terminal connection to eliminate errors from lead resistance. Connect one pair of terminals to the known resistor and the other pair to the unknown resistor. Measure the total resistance, then disconnect the known resistor and measure the resistance again to isolate the unknown resistor's resistance.


What tools do you use to find the density of a block?

To find the density of a block, you can use a balance to measure its mass and a ruler to measure its dimensions. Divide the mass of the block by its volume (calculated from its dimensions) to determine the density.

Related Questions

To measure DC of big bus bar?

A: TO measure the current on any path you will need a very small known resistance in sires and measure the voltage drop across it. If the resistance i not small then inaccuracy of reading will be evident


How do you find current if the resistance is not given?

You can find the current by using Ohm's Law, which states that current (I) is equal to voltage (V) divided by resistance (R). If the resistance is not given, you will need to know the voltage and another parameter such as power (P) or conductance (G) to calculate the current. Alternatively, you can measure the current using an ammeter in a circuit.


I need to draw a circuit diagram to show this but I have no idea how do you find the resistance of a lamp in a circuit?

If you have a lamp, you can assume that the resistance of the lamp when it is under power will follow the ohms law. BUT, one thing you must remember is, when a lamp is under load, it is glowing HOT. When metal is HOT, the molculoes of the meals are in much more active state. When this happens, the resistance will increase. Conversely, when the lamp is NOT on ON state, the filaments are cold. Moleculoes in the filaments are not as active. Thus, the resistance is lower. There is almost 10 to 1 difference in resistance from hot to cold. Taking out a multimeter and measuring the resistance of the lamp will not help you determine the resistance of the lamp when it is actually under load (with voltage applied) Really, the only thing you can do is to measure the voltage, measure the current, then arrive at the resistance mathmatically.


What is the greatest common factor of 400?

You need at least two numbers to find a GCF.


How do you find the velocity in meters per second of a wave?

You would need to measure it.You would need to measure it.You would need to measure it.You would need to measure it.


How do you find the angles of a trapazoid?

You need to measure them.


What do you need to measure to find acceleration?

opposites


How do you find dimensions?

You take a ruler or tape measure and measure the dimensions you need.


What are the greatest common factors of 44 least to greatest?

You need at least two numbers to find a GCF.


Where to find the Breastplate of Resistance in MySims kingdom?

you need to look around you can find it fishing or treasure hunting.


How do you find the resistance if you know the voltage?

Ohm's Law involves three quantities: -- voltage -- current -- resistance. In order to find any one of them, you need to know the other two.


How do you find the voltage if you know the resistance?

Ohm's Law involves three quantities: -- voltage -- current -- resistance. In order to find any one of them, you need to know the other two.