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A resistor will
Charge up when a voltage is applied to it
Produce a large electric field when current passes through it
Speed up the flow of electrons as the resistance increases
Slow down the flow of electrons as the resistance increases
Three reistors are palced in parallel. These have values of 100 ohms, 200ohms and 500 ohms. What is their combined resistance?
6.5 ohms
65 ohms
800 ohms
1600 ohms
Three resistors are connected in series. Their values are 1k ohm, 2.2 k ohm and 5.6 k ohm. What is their combined resistance?
10 k ohms
12.3 k ohms
800 ohms
8.8 k ohm
Two resistors are connected in parallel and Two are added in series. The parallel resistors have values of 2.2 and 5.6 k ohms. The two serial resistors have values of 22k ohm and 6.4k ohm. What is their combined resistance to the nearest k ohm?
30 k ohm
60 k ohm
36 k ohm
100k ohm
Batteries have an internal resistance or impedence. Which of these would have the highest impedence?