Resistance An increase in resistance causes current to _________________. A resistor causes electrical energy to be changed to _________ energy in the material.
Resistance is measured in __________, usually given the symbol . Resistance can be measured using an _______________. Draw the circuit you would use to measure When the resistance is reduced, the current is _______________.
Explain how you would use readings from this circuit to calculate the resistance of the resistor
Resistance What is the symbol for resistance What are the units of resistance What is the formula for resistance
Variable Resistors A torch bulb is marked "6 V, 0.25 A". Calculate the resistance of the bulb.
Calculate the resistance of a component when a voltage of 24 V causes a current of 0.1 amperes.
A voltage of 6 volts is across a resistor where the current is 0.5 amperes. What is the value of the resistor?
Variable Rsistors Name a use for variable resistors Name another use for variable resistors
Many of them do this by varying the _____ of the conductor used.