An air conditioner on a 240 volt line has 40 Ohms of resistance. What is the current? What is the power output?
An air conditioner on a 240 volt line has 40 Ohms of resistance. What is the...
a) You run 120 V through a wire that has a resistance of 40 ohms. What is the total current running through the wire? b) Using your calculation for the current, what would the total power rating of the electric field be?
Problem 6: A 230-V shunt motor has an armature resistance of 0.05 Ohms and a field resistance of 75 Ohms. The motor draws 7 A of line current while running light at 1120 rpm. The line current at a certain load is 46 A. (a) What is the motor speed at this load? (b) At this load, if the field circuit resistance is increased to 100 Ohms, what is the new speed of the motor? Assume linearity between the flux...
the amount of electric power used by a lamp that has a resistance of 20.0 Ohms and is connected to a 34.0 volt battery is
A 13 Volt power supply is connected to two resistors in series of resistance R1 = 127 ohms and R2 = 585 ohms. What is the current through the circuit in mA (milli-Amps)?
1.- A thermistor resistance, connected as shown, is given as 5000 Ohms at 25°C. If the resistances of R. and Ra are 10,000 Ohms each, what should be the resistance of the null resistor for having 0 volt at the output terminals, at 25°C? (10 pts) Null resistor Power ?????? ?????? terminals
An air conditioner connected to a 120 V rms ac line is equivalent to a 16.9 Ω resistance and a 1.43 Ω inductive reactance in series. Calculate (a) the impedance of the air conditioner and (b) the average rate at which energy is supplied to the appliance.
An air conditioner connected to a 120 V rms ac line is equivalent to a 9.75 Ω resistance and a 1.64 Ω inductive reactance in series. Calculate (a) the impedance of the air conditioner and (b) the average rate at which energy is supplied to the appliance.
A light bulb is plugged into a 120 Volt socket and has a resistance of 10 Ohms. How much current will flow through it when the light switch is turned on?
Fifteen megawatts of electricity is to be transmitted over a power line of resistance 3 ohms. ( I don't know how to solve D and E) a) If the electricity is generated at 10,000 V and is to be transmitted at 200,000 V, what should be the ratio of turns of the transformer? b) At what current will the power be transmitted? c) What percentage of the original power will be lost in the line because of resistive heating? d)...
A 40-volt electromotive force is applied to an LR-series circuit in which the inductance is 0.1 henry and the resistance is 60 ohms. Find the current i(t) if i(0) = 0. Determine the current as t → ∞.A 100 volt electromotive force is applied to an RC series circuit in which the resistance is 500 ohms and the capacitance is 10-4 farad. Find the charge t on the capacitor if q(0) = 0.