What is the power rating of a television set which draws a current of 2 A from a 220-volt outlet?

Q: How much current would a 10.4-Ω bread toaster draw when connected to a 220-V outlet?

A: Given data: Resistance of the bread toaster R =10.4Ω  Voltage V=220V

Q: A toaster has a resistance of 30 ohms. What power in watts does the toaster use when connected to a…

A:

Q: A flashlight is powered by 3-V battery and uses a bulb with a resistance of 60 Ω. What will be the…

A: Given that, Voltage = 3 V Resistance = 60 Ω

Q: Find the cost to run a 1200-watt microwave oven, if you make microwave popcorn in 5 minutes. (price…

A:

Q: What current will be taken by a 920 W appliance if the supply voltage is 230 V ?

A: Given data :                       Power  =  P                     Voltage  =  V          To find :…

Q: A 110-V hair dryer is rated at 1200 W. What current will it draw when operating from a 110-V…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A subwoofer needs a household voltage of 110 V to push a current of 5.5 A through its coil. What is…

A: Given  Voltage V=110 V Current I=5.5 A

Q: A 22-ohm resistor is in series with a 12-V motor that is drawing 150 Ampare of current. How much is…

A: Solution: Given that R =22 ohm voltage of  motor = 12 V I = 150 Amp

Q: How much power is used by a 10 V flashlight battery that draws 1.5 A of current?

A:

Q: A light bulb has 20 ohms of resistance, and it consumes 50 W of power. How much current flows…

A: Resistance (R) = 20 ohm  Power (P) = 50 W

Q: The electric motor in a toy train requires a voltage of 4.5 V. Findthe ratio of turns on the primary…

A: The ratio of number of turns of primary to secondary in a transformer is NpNs=VpVs Here, Npis the…

Q: What is the current produced by a voltage of C. 240 V through a resistance of 0 2 0?

A:

Q: How much power is used by a contact lens heating unit that draws 0.04 A of current from a 194 V…

A: Given data:  Current (I) = 0.04 A Voltage (V) = 194 V Required: Power (P)

Q: What is the power rating of a heating coil with a resistance of 12 ohms that draws a current of 20…

A: Given that the value of resistance and current then we have to determine the power rating of the…

Q: What is the equivalent resistance of a 200 Ohm and an 800 Ohm resistor connected in parallel?

A:

Q: A relay with a resistance of 12 ohms is in an electric circuit with one side at a potential of 85…

A: Ohm's law If the voltage difference between two terminal of a conductor is V and resistance of the…

Q: A primary transformer has a voltage of 240V and number of revolutions 500 turns, what is the…

A: Given data:  Primary voltage (Vp) = 240 V Number of turns in primary winding (Np) = 500 Number of…

Q: A light bulb has a resistance of 2402, when operating at a voltage of 120 V. What is the current in…

A:

Q: what will be the voltage in the secondary winding of a transformer if the turns ratio is 4:8 and the…

A: Np : Ns = 4 : 8 Vp = 20 V Vs = ?

Q: How much does it cost to operate a 80-WW lamp continuously for a week if the power utility rate is…

A: Given: The wattage of bulb = 80 W. Power utility rate = 25 cents/kWh.

Q: What current will be taken by a 850 W appliance if the supply voltage is 220 V ?

A: Given data :                     Power   =   P                     Voltage  =  V         To find :…

Q: The resistance (in Ω) of a light bulb rated 120 W, 240 V that draws an electric current of 1 A is

A: Given Power rated is P=120 W Voltage rated is V= 240 V Find the resistance of a light bulb.

Q: What is the power used by a 4500 Ω resistor connected to a 9-V battery?

A: Given:  Resistance, R = 4500 Ω Potential difference, V = 9 V

Q: A transformer has 25 turns in the primary coil and 200 turns in the secondary coil.  If 24 V is…

A: Given : Np = 25 Ns = 200 Vp = 24 V R = 20-Ω

Q: The resistance (in Ω) of a light bulb rated 120 W, 140 V that draws an electric current of 1 A is

A:

Q: How much will it cost to run an electric motor for 10 days if the motor draws 15 A of current from…

A:

Q: What is the current produced by a toaster consuming a power of 600W and has a resistance of 43O?

A: Given that Power Consumed by toaster is P = 600 W Resistance of toaster is R = 43 ohm Now relation…

Q: How much current is flowing from a 12-volt battery connected to a 3.5 Ohm resister?

A: According to Ohm's law Potential difference V through a conductor having current I and resistance R…

Q: What is the Output Voltage of a battery that expends 7.2J of energy in moving 1C of charge?

A: Energy expended by the battery = 7.2 J charge = 1 C

Q: The power (in watts) required to pass a current 0.2A in a wire of resistance 20Ω is

A: Given data: Current (I) = 0.2 A Resistance (R) = 20 Ω Required: Power (P)

Q: What is the output voltage of a 3.0000-V lithium cell in a digital wristwatch that draws 0.300 mA,…

A:

Q: A 1,000 W immersion heater, a 700 W microwave oven, and a 1,200 W toaster oven are all plugged into…

A: Power consumed from the single outlet = (1000 + 700 + 1200) W = 2900 W Voltage = 120 V

Q: What is the power dissipated in a circuit if there is 3.0 N of resistance and there is 5.0 A of…

A: Answer             C) 75W solution We know that The power dissipated in the circuit is P= I2R Here I…

Q: The current in a 120-V reading lamp is 2.6 A. If the cost of electrical energy is $0.075 per…

A: Given data The potential difference across the lamp is Vo=120 V The current in the lamp is Io=2.6 A…

Q: A transformer is to be used to step up voltage from an alternating current source from 120 V to 1800…

A:

Q: What is the difference between total resistance in a series circuit vs. total resistance in a…

A: There are a major difference in equivalent resistance in series combination and parallel combination…

Q: How much energy does a toaster use if it is rated at 1200 W and runs current for 2 minutes as it…

A:

Q: What current will be taken by a 1230 W appliance if the supply voltage Is 250 V ?

A: Given  Power of appliance ; P = 1230 W  Voltage (V) = 250 v    Power is given as ; Power (P)  = V ×…

Q: What is the resistance (in ohms) of a typical 40-Watt light bulb plugged into a 120-Volt outlet in…

A: Given Data   The power of the light bulb is P = 40 W The voltage outlet in the home is ∆V = 120 V

Q: How much current is drawn by a 150 W television when it is plugged into a household outlet?

A:

Q: A wind farm generates 2,286 kW of electrical power for a nearby community.  The transmission wires…

A:

Q: A light bulb is rated at 90W when connected to 120V. What would be the current if the bulb were…

A: According to the ohms law, V=IR

Q: An electric motor draws a current of 15.5 A in a 240 V circuit.  What is the power of this motor in…

A:

Q: The Total Electrical energy consumed for a month kwh and the Total cost of electricity consumption

A: Given: Cost of electricity per KWH is =15Bz Voltage, V=220V Current, I=3A

Q: A light bulb is plugged into a 120-Volt outlet and has a 0.6 A current in it. What is the power…

A: Potential of the outlet = 120 volts Current (I) = 0.6 A

Q: How much current does a 1500 Watt heater draw if supplied with a 120 Volt source?

A: Given Data: Power, P = 1500 W Voltage, V = 120 V   Solution: Current, I = P/V = 1500 / 120 = 12.5 A