Question
What voltage battery is required to cause 1.3 A to flow through a resistance of 330 ? Group of answer choices 116 V 571 V
What voltage battery is required to cause 1.3 A to flow through a resistance of 330 ?
Group of answer choices
116 V
571 V
429 V
308 V
A 330 resistor is connected in series with a 100 resistor, and this combination is connected across a 12 V battery. How much power is dissipated in the 330 resistor?
Group of answer choices
8 mW
1300 mW
713 mW
260 mW
A certain metal wire has a cross-sectional area of 0.75cm2 and a resistivity of 1.5x 10-7 m. How long would it have to be to have a resistance of 7 ?
Group of answer choices
1322 m
2625 m
843 m
418 m
A current of 230 mA flows through an electrical device for 5 seconds. How many electrons flow through this device during this time?
Group of answer choices
7.18 x 1018
3.92 x 1017
4.79 x 1016
1.46 x 1014
If a light bulb operating at 120 V draws 1.1 A of current, what is its resistance?
Group of answer choices
712
109
406
68
A wire has a radius of 0.50 mm and a resistivity of 1.0 10-6 m. The wire is 75 cm long. If a current of 4.2 A flows through the wire, what is the voltage between the ends of the wire?
Group of answer choices
0.075 V
1.2 V
6.3 V
4 V
If 0.82 C of charge flows through a point in a wire over 0.2 seconds, what is the current flowing through the wire?
Group of answer choices
1.6 A
0.72 A
2.9 A
4.1 A
Three 6 resistors are connected in parallel, and this combination is connected in series with a 2 resistor. What is the equivalent resistance of this system?
Group of answer choices
22 k
4
13
0.8
A 10 resistor is connected in parallel with a 20 resistor, and this combination is connected across a 5 V battery. How much power is dissipated in the 10 resistor?
Group of answer choices
4.9 W
1.8 W
7.2 W
2.5 W
If the maximum power rating of a 250 resistor is 0.5 W, what is the maximum voltage that can safely be connected across the resistor?
Group of answer choices
6.3 V
2.8 V
9.4 V
11.2 V
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