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Title: A heater is rated at 1200 watts for a 120-volt source.If two heaters are connected in parallel ... Post by: jj35 on Feb 23, 2018 A heater is rated at 1200 watts for a 120-volt source.If two heaters are connected in parallel across the 120-volt source, the current drawn from the source is __________.
Fill in the blank(s) with correct word [Ques. 2] The resistance of a wire can be increased by a. making the wire longer. b. lowering the temperature of the wire. c. making the wire thinner. d. making the wire shorter. [Ques. 3] Ohmic heating is a. always undesirable. b. used in light bulbs. c. what makes fuses blow. d. all of the above. [Ques. 4] Two charged bodies separated by a distance d exert a repulsive electrical force on each other. The signs of the charges on the two bodies might be a. + and +. b. and . c. + and . d. any of the above. e. not determinable. [Ques. 5] What does a neutral atom become if it acquires an extra electron? a. negatively charged b. positively charged c. an ion d. a molecule [Ques. 6] A battery supplies a. AC current. b. DC current. c. resistance. d. voltage. e. positive ions. [Ques. 7] An electric motor on an airplane operates on 21.5 volts and draws a current of 11.0 amperes. How much energy (in joules) does the motor use during a 9.0-hour flight? a. 1064.4 b. 2128.5 c. 127710.0 d. 7662600.0 [Ques. 8] Fuses and circuit breakers are used to prevent a. electrical shocks. b. wires overheating and causing fires. c. save on the cost of electricity. d. to store energy. [Ques. 9] A simple electrical circuit has a constant voltage power supply and a variable resistor. As you increase the resistance the current flow _____________ a. increases b. decreases c. remains the same d. cannot be determined [Ques. 10] A solid metal wire has a certain resistance. It is heated and carefully stretched to form a longer, thinner wire. After it cools, the resistance is _______ than it was before. a. greater b. less c. no more d. lighter Title: A heater is rated at 1200 watts for a 120-volt source.If two heaters are connected in parallel ... Post by: renaatvdw on Feb 23, 2018 Content hidden
Title: A heater is rated at 1200 watts for a 120-volt source.If two heaters are connected in parallel ... Post by: jj35 on Feb 23, 2018 I know this sounds cliche, but I was thinking the same thing for each of these. Thanks for confirming :)
Title: A heater is rated at 1200 watts for a 120-volt source.If two heaters are connected in parallel ... Post by: renaatvdw on Feb 23, 2018 I'm sure ;) Thanks for your honesty
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