Physics, 26.06.2019 15:50 sevaramirabell
Which of the following will increase the resistance of a wire? check all that apply. check all that apply. decreasing the cross-sectional area of the wire will increase the resistance of the wire. decreasing the resistivity of the material the wire is composed of will increase the resistance of the wire. increasing the length of the wire will increase the resistance of the wire. increasing the cross-sectional area of the wire will increase the resistance of the wire. decreasing the length of the wire will increase the resistance of the wire. increasing the resistivity of the material the wire is composed of will increase the resistance of the wire.
Answers: 1
Physics, 21.06.2019 19:30
Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.
Answers: 3
Physics, 22.06.2019 03:30
Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.
Answers: 3
Physics, 22.06.2019 14:20
4r-134a enters the condenser of a residential heat pump at 800 kpa and 50°c at a rate of 0.022 kg/s and leaves at 750 kpa subcooled by 3°c. the refrigerant enters the compressor at 200 kpa superheated by 4°c determine (a) the isentropic efficiency of the compressor, (b) the rate of heat supplied to the heated room, and (c) the cop of the heat pump. also, determine (d) the cop and rate of heat supplied to the heated room if this heat pump operated on the ideal vapor-compression cycle between the pressure limits of 200 and 800 kpa. (0.757, 4.37 kw, 5.12, 6.18, 3.91 kw)
Answers: 3
Physics, 23.06.2019 00:00
Based on this activity, is kinetic energy always transformed into potential energy?
Answers: 1
Which of the following will increase the resistance of a wire? check all that apply. check all that...
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