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☆☆☆☆☆Cards in this guide (6)
A string of 15 Christmas tree lights is connected in series to a 90 volt power source What is the value of the resistance of each light if the current flowing through the circuit is 2 amps
3
3 ohms
A ray of light strikes a flat surface of water The angle that the incoming light ray makes with the normal is called the angle of
incident
Five resistors are connected together in series One resistor is 2 ohms one is 3 ohms one is 4 ohms one is 5 ohms and the fifth is 6 ohms What is the total resistance
Purely additive. 2+3+4+5+6=20.
A pulley system is used to lift a 2000 newton engine up a distance of 3 meters The operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. value of fo
What is the value of fo?
2000 newtons
What is the total current flowing through a 45 ohm resistor 1.4 amps and 20 ohm resistor 1.8 amps
Just add the amps (3.2 amps).
The lower range of human hearing is approximately Hz.
20, for a+ users
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