The deviation from the way a compass needle points from the true north direction is the magnetic declination.
Indicate whether the statement is true or false
[Ques. 2] An electric motor on an airplane operates on 24 volts and draws a current of 15 amperes. (a) What is the power consumption of the motor? (b) How much energy does the motor use during a 2 hour flight?
[Ques. 3] How much energy does a 100 watt light bulb use in 1 hour? Express your answer in (a) joules and in (b) kilowatt-hours. (c) Also find how much money it costs if electricity sells for 10 cents per kW-h.
[Ques. 4] The light bulb used in a slide projector draws a current of 4 amperes when operating on 120 volts. (a) What is the bulb's resistance? (b) What is the bulb's power consumption?
[Ques. 5] An electric toaster operating on 120 volts draws a current of 9 amperes. What is the resistance of the toaster?
[Ques. 6] A battery in a large flashlight produces a current of 2 amperes in a light bulb that has a resistance of 3 ohms. What is the voltage of the battery?
[Ques. 7] The energy used by a 100 watt light bulb in 1 hour is __________.
Fill in the blank(s) with correct word
[Ques. 8] If two slide projectors are connected in series across the same 120 volt source, the current drawn from the source is __________.
Fill in the blank(s) with correct word
[Ques. 9] If two slide projectors are connected in parallel across the same 120 volt source, the current drawn from the source is __________.
Fill in the blank(s) with correct word
[Ques. 10] The power consumed by the light bulb is __________.
Fill in the blank(s) with correct word
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