3- If an electric heater draws 9.5 A when connected to a 120 V supply, what is the internal resistance of the heater?

Q: Determine the resistance its proper source voltage of 110 V. of a 75-W lightbulb connected to

A: Given: Rating of bulbs, Rated power, P=75 W Source voltage, Vs=110 V

Q: Question 3: At $0.08 per kilowatt-hour, it costs $1.20 to run a heater for 50 hours from a 20-V…

A: First we need to find the power to calculate the current.

Q: An alarm clock draws 0.5 A of current when connected to a 120-volt circuit. Calculate its…

A: In this question we will find resistance in circuit....

Q: 32. What are the internal resistance and voltage rating of a 450-W automatic washer that draws 3.75…

A: Given values are -

Q: An electric heater draws 12 A from a 120 V power source. How much power does the heater dissipate

A:

Q: a load of 10 ohms was connected to a 12-volt battery. the current drawn was 1.18 amperes. what is…

A: Given: EMF of battery E = 12 V, Load resistance RL = 10 ohm, Current drawn I = 1.18 A. Let Ri be the…

Q: what is the energy used of a light bulb if its plugged into a 100 V outlet for 100 hours and has 140…

A: In this question , we will find energy used for light bulb...

Q: An electric heater is constructed by applying a potential difference of 104 V across a wire with a…

A: Given: The applied potential difference is, V=104 V Resistance, R=5 Ω

Q: A current of 1.50 A flows through a motor when it is connected to a 120 V source. What is the…

A: To find the resistance of the motor

Q: 23. An electric motor is running on 120 V. The current is measured to be 2 A. How many ohms of…

A: The solution is given below.

Q: The 60 W light bulb in the figure below is rated at 120 volts. Calculate V, to make the light bulb…

A: ELECTRICAL NETWORK: When addressing a circuit problem or constructing a balanced circuit, the word…

Q: When plugged into a 120-V wall outlet, an electric lamp draws 1.25 A. What is its resistance? O 1.…

A: In this question we will find lamp resistance...

Q: 33. A certain waffle iron is rated at 1.00 kW when connected to a 120-V source. (a) What current…

A: Waffle iron rating  P = 1 KW                                   P = 1000 w  Source voltage  V = 120 v…

Q: An electric heater consumes 3.6 MJ when connected to a 250V supply for 40 minutes. Find the power…

A:

Q: 50 12 V

A:

Q: A heater draws 4 A from a 110 V source. What is the resistance of the heating element? [1]

A: Given: Current drawn I=4 A Source V=110 V

Q: Calculate the power rating of a range element that draws 7.5 amperes of current when connected to…

A: Power rating= voltage rating of element × current drawn by the element Given rated voltage =230…

Q: How many coulombs are supplied by a battery in 36 hours if it is supplying current at the rate of…

A: Charge, Q = current × time

Q: A generator produces 400V and supplies a load 1000' away. The load consists of one electric motor…

A: generator output voltage = 400 V  The load is an electric motor of 3HP and Heater at 3kW What would…

Q: - What is the resistance of a device that dissipates 1.2 kW of power when its current is 10 A? - How…

A: I have explained in detail

Q: 3. A 2.8-kW electric heater takes 20 min to boil a quantity of water. If this is done once a day and…

A:

Q: Which is not an appropriate option? PV module can used a. For charging street light battery b. In…

A: Uses of PV modules

Q: A heater with a resistance of 17Ω and a rating of 92W should be supplied by a source voltage…

A: Given: Resistance, R=17 Ω The power rating of the heater, P=92 W

Q: An electric iron drawing 9 A from 120 V supply mains is operated for 20 minutes, the energy consumed…

A:

Q: The voltage drop across a resistor of 150 ohm is 10 volts. The wattage of the resistor must be 1 W.…

A:

Q: If a DVD player draws 2 A current from a 23 V DC source, then what will be the resistance of the DVD…

A: According to Ohm’s law if i is the current flowing through a component and thus creating a voltage…

Q: Three electric resistance heaters of length L = 250 mm

A:

Q: A heater uses 20 A when connected to a 220-V line. If electric power costs 10 centavos per…

A:

Q: What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 2? 150…

A: Given a electric heater having, Power rating, P = 1 kW Resistance, R = 40 Ω

Q: An electrical fan and heater are marked as 100 W and 1000 W respectively at 220 V supply. What will…

A:

Q: 3. Determine the power being consumed by a 1202 resistive element connected across a 240v supply.

A:

Q: An electric heater consumes 1.8Mj when connected to a 250 V supply for 30 minutes. Find the power…

A: Given: Energy consumed by electrical heater is E=1.8 MJ Supply V=250 V Time t=30 minutes=1800 s

Q: 5. An electric heater consumes 3.6 MJ when connected to a 250V supply for 40 minutes. Find the power…

A:

Q: 2. An electric heater consumes 3.6 MJ when connected to a 250V supply for 40 minutes. Find the power…

A: Given: Heater consumes 3.6 MJ Voltage supply V=250 V Time = 40 minutes = 40×60=2400 sec

Q: A load of 10 ohms was connected to a 12-volt battery. The current drawn was 1.18 amperes. What is…

A: As per the guidelines of Bartleby we supposed to answer first question only for remaining questions…

Q: The potential difference across the terminals of a cell is 1.5 volts. It is connected (1) with a…

A: It is given that: V=1.5 voltsR=30 Ω

Q: How much energy will be consumed of a 500 W Water Heater runs for 20 hours continuously? If the…

A:

Q: An electric heater consumes 1.8MJ when connected to a 250 V supply for 30 minutes. Find the power…

A: Energy= Power *time. 1 w-s=1 Joule. Power rating= Voltage*current .

Q: How long in minutes, will it take a 2kW, 230-volt electric heater to raise the temperature of 2.5kg…

A: Power of heater=2kw                                        mass of water   =2.5kg…

Q: A electrical heater draws 4 A from a 110 V source. What is the resistance of heating element?

A: Given, I=4 AV=110 V

Q: How long can a 1.5 V flashlight battery provide a current of 250 mA to light the bulb if the…

A: Given that, Voltage V= 1.5 VCurrent I =250 mA = 0.250 A Ampere-hour rating =16 Ah   We have to find…

Q: Question 24 What is the electric current that passes the 3 ohm resistance in the given circuit…

A:

Q: A stove element draws 15 A when connected to a 120 V line, the time it takes . .to consume 30 kJ

A: We know the relation between power and energy as Energy(E)=Power(P)*time(t) The units of energy is…

Q: Ql:-A - what is the cost of using 200 W oil-burner motor running 600 min a week for 7 months at 9¢…

A: As per our policy, i am attempting first question. Given data, P=200 W

Q: What is the current through an 8-ohm toaster when it is operating in 120V? *

A:

Q: The current in a 960 W, 240 V heater operated at 200 V is ?

A: Consider the formula for resistance is, P=V2R Solve for the resistance as, 960 W=240 V2RR=240 V2960…

Q: A metal resistor has resistance of 10 ohm at 0°C and 11 ohms at 160°C, the temperature coefficient

A: Temperature coefficient:                       The resistance-change factor per degree Celsius of…

Q: 2. Acoil has 6,00 turns of wire and a resistance of 380 ohms. The coil is rewound with the same…

A: Resistance formula needed

Q: How long can a 1500 W heater be on before using more than 12 kWh of energy?

A: The value of energy for the heater is E = 12 kWh The value of power for the heater is P = 1500 W…