An electric motor on an airplane operates on 13 volts anddraws a current of 3 amperes.a. What is the power consumption of the motor?

Q: A student in the laboratory connects a 140 resistor, a 28 resistor, and a 32 Q resistor in series…

A: (a) The resistors are connected in series. Thus the equivalent resistance will be, R=R1+R2+R3   =14…

Q: A 1250 W radiant heater is constructed to operate at 115 V. (a) What is the current in the heater…

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Q: A cauterizer, used to stop bleeding in surgery, puts out 2.00 mA at 15.0 kV. (a) What is its power…

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Q: The heating element of an iron operates at 110 V with a current of 8 A. (a) What is the resistance…

A: Voltage (V) = 110 volts Current (i) = 8 A

Q: 100-W light bulb is turned on. It has an operating voltage of 120 V. (a) How much current flows…

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Q: A cauterizer, used to stop bleeding in surgery, puts out 1.98 mA at 16.5 kV. (a) What is its power…

A: Given that the cauterizer used to stop bleeding in surgery puts out current (I)=1.98mA=1.98×10-3A at…

Q: A typical cellular phone consumes an average of about 1.32 W of electrical power and operates on…

A: Given data: The average power consumed by the cellular phone is, P =1.32 W The voltage required is,…

Q: The energy in the capacitor is delivered by placing paddles on either side of the victim's heart as…

A: a)Assume that the capacitance is 50µF and voltage is  5000VThen, charge is given by

Q: A flashlight uses batteries that add up to 4.5 V and has a power output of 0.55 W. (a) How much…

A: P=I2RI=PR=0.55 W4.5 V=0.35 A

Q: A light bulb with a resistance of 2200 ohms is connected to a 220 V power outlet. a. How much…

A: Ohm’s law states that the voltage or potential difference between two points is directly…

Q: An electric heater with a current of 6.0 A is connected to a 120 V source for 10 minutes.  a) How…

A: Current = I = 6 A Voltage = V = 120 V Time = t = 10 minutes = 600 s Part A. Energy used will be…

Q: A laptop battery has an emf of 10.8 V. The laptop uses 0.70 A while running.a. How much charge moves…

A: The current I is defined as the charge flowing through a conductor per second, i.e, Here q is the…

Q: A two-slice bread toaster consumes 836.0 W of power when plugged into a 240.0-V source. (a) What is…

A: Given data The power is P=836.0 W The potential difference is Vo=240.0 V (a) The power is,…

Q: A flashlight uses batteries that add up to 3 V and has a powerr output of 0.0005KW.  A) how much…

A: The data given is as follows, 1. The voltage is, Vb=3V 2. The output power is, P=0.0005 kW=0.5 W The…

Q: A motor operating on 240 V electricity has a 180 V back emf at operating speed and draws a 12.0 A…

A: a)The expression for the current in a circuit is,

Q: A car radio draws 0.30 A of current in the auto's 12-V electrical system. (a) How much electric…

A: Current (I) = 0.30 A V = 12 volts

Q: A 1160 W radiant heater is constructed to operate at 115 V. (a) What is the current in the heater…

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Q: Two resistors with values of 30 and 49, respectively, are connected in parallel and hooked to a 17 V…

A: Solution: R1 =30 ohm R2 = 49 ohm Voltage = 17 V

Q: A 1450 W radiant heater is constructed to operate at 115 V. (a) What is the current in the heater…

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Q: A 220 W electric stove operates on a 220V line. a) what current passes through the electric stove?…

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Q: A 60-Ω resistor has a voltage difference of 3 V across its leads. a. What is the current through…

A: Ohm's law defines the relationship of the voltage, resistance and current of circuit and is given by…

Q: A car radio draws 0.24 A of current in the auto's 12-V electrical system. (a) How much electric…

A: P=IV=0.24 A12 V=2.9 W

Q: An electric motor does a mechanical job of 10,000 J in 30 seconds. The current which runs through it…

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Q: A television set connected to a 120-V outlet consumes 21 Wof power. (a) How much current flows…

A: a) The expression for find current flows through television is I=PV Substitute values in the above…

Q: A certain flashlight operates on a two 1.5v batteries connected in series. The lamp draws a current…

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Q: (I) An electric car uses a 45-kW (160-hp) motor. If the battery pack is designed for 340 V, what…

A: The electrical power is given by,  P=VI Here, V is voltage and I is current.  Given : Voltage V=340…

Q: A coffee maker is rated at 1.14 kW when connected to a 120 V source. (a) What current (in A) does…

A: POWER = P = 1.14 X103= 1140 W voltage = V = 120 V Current = i = ?

Q: An electric skillet is rated at 0.61 kW when connected to a 120 V source. (a) What current (in A)…

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Q: A 15.0 Ω light bulb is connected to a 12 V battery.  What is the current flowing through the light…

A: Recall V=IR And P=I^2R

Q: A student in the laboratory connects a 16 Ω resistor, a 27 Ω resistor, and a 33 Ω resistor in series…

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Q: The heating element of an iron operates at 110 V with a current of 8 A. (a) What is the resistance…

A: R=VI=110 V8 A=13.8 ohm

Q: A 550 W toaster is plugged into 120 v wall socket.  (a) What is the current drawn by the toaster?…

A: a) The expression for find current drawn by the toaster is P=VII=PV Substitute values in the above…

Q: A motor uses 50 W of power and draws a current of 400 mA (a) what is the voltage across the motor?…

A: (a) The relation between power, current and voltage. P=IV…

Q: Two resistors with values of 17 and 41 2, respectively, are connected in parallel and hooked to a 14…

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Q: An electric heater is connected to the 230V mains supply. A current of 8A flows through the heater.…

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Q: A generator produces 250 kW of electric power at 7.2 kV. The current is transmitted to a remote…

A: a) The expression to determine the power loss, Ploss=R·I2 The expression for current represent the…

Q: Suppose a motor connected to a 132 V source draws 18.8 A when it first starts. (a) What is its…

A: SOlution: given that V = 132 V I = 18.8 A a). to find the resistance b). the current drawn if the…

Q: In the filament of a certain light bulb, The amount of charge that passes through it is 3.265 C in 2…

A: Current is defined as the rate of flow of charge, if a total charge, 'q' is flowed in time 't', then…

Q: 2200 W electric stove operates on a 220 V line.

A: A) direct current will flow. (D/C)

Q: An electric skillet is rated at 0.50 kW when connected to a 120 V source. (a) What current (in A)…

A: Given data: Power (P) = 0.50 kW Voltage (V) = 120 V Required: Current (I) and Resistance (R)

Q: The heating element of an electric dryer is rated at 4.1 kW when connected to a 240 V line. (a) What…

A: Power, P = 4.1 kW Voltage, V = 240 V  (a) Let the current is I.  P = V I 4100 = 240 x I  I = 17.1 A…

Q: A typical cellular phone consumes an average of about 1.26 W of electrical power and operates on…

A:

Q: A small light-bulb draws 0.22-A current from a 6-V battery. In 2 min: a)  How much energy does the…

A: Energy supplied by battery E=VIt E=6×0.22×2×60=144J

Q: A 12-V battery is connected to a light bulb and draws 150 mA of current (a) what is the electrical…

A: Ohm's law relates the voltage and the current in the circuit. The Voltage is directly proportional…