Q1: A battery has a short-circuit current of 5 A and an open-circuit voltage of 20 V. If the battery is connected to an electric bulb of resistance 6 Ohm, calculate the power dissipated by the bulb.

Q: An energy source forces a constant current of 2A for 10s to flow through a lightbulb. If 2.3 kJ is…

A: we need to determine voltage across the bulb.

Q: or the circuit shown in Fig. 1, calculate the voltage v, the conductance G, and the power p.

A:

Q: Calculate the power dissipated in a 560 Q resistor if the resistor is applied to a network, which…

A: When resistance is connected in series with capacitance and the whole network is connected to a…

Q: Q 7. For the given data, determine the number of PV panels required with 240 Wp. Quantity Total…

A:

Q: Q4// A supply company offers the following alternative tariffs @) Standing charges of Rs 75 per…

A: The solution can be achieved as follows.

Q: We were asked to calculate the consumption of each person's residence, so let's assume that everyone…

A: In this question we will find energy consumption of each person residence.....

Q: A certain appliance uses 350 W of power. If the device is allowed to run non-stop for 24 days, then…

A: If a device with a power rating of 1 kilowatt (kW) runs continuously for 1 hour, then the energy…

Q: An electric lift truck is powered by a dc motor connected to a 110 V battery. The truck exerts 200…

A: This question belongs to electrical machine . It is based on the concept of driving mechanism of dc…

Q: 1. What three appliances consume the most electrical energy at the given table? Explain why these…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Q1: If the current in a resistor doubles, what happens to the dissipated power? (Assume the resistor…

A:

Q: A battery has an emf of 25.0 V. The terminal voltage Mof the battery is 12 V when it is delivering…

A:

Q: Q2: A 65 MW steam power station has a thermal efficiency of 33%. If the coal burnt has a calorific…

A: Thermal efficiency is given,  η=33% =0.33 Output power is given, Pout=65 MW Calorific value = 7950…

Q: (Q1) For the circuit shown below, find (a) the voltage value vo (b) the voltage value of 15k0…

A: Given :

Q: A typical electric-powered car having a 8A, 12V battery was charged at constant current from 8am…

A: Electric energy Electrical energy is energy derived from movement of electrons. Electrical energy…

Q: + 2 V + 3 V ( 4 k2 Vo 2 kQ 5 k2

A:

Q: Example- The current passing through a resistor of 100 t 0.2 Q is 2.00 t 0.01 A. Using the…

A:

Q: Q4// A supply company offers the following alternative tariffs Standing charges of Rs 75 per annum…

A: The solution can be achieved as follows.

Q: Q4// A supply company offers the following alternative tariffs (1) Standing charges of Rs 75 per…

A: We need to find total charges for both cases .

Q: An electric heater carries 12 A at 110 V, is submerged in 20lbs of water for 30 minutes. What will…

A: To find the final temperature of water

Q: Q1/ Determine the resistance of an electric fire, which takes a current of 200 mA from a 250 V,…

A: Given, I= 200 mA V=250 V

Q: A typical electric-powered car having a 6A, 18V battery was charged at constant current from 8am…

A: Given Data: V = 18 V I = 6 A Total time = 8am to 10pm = 14 hour

Q: compute the power required to service a city of 110,000 homes, each of which draws an average…

A: the relation between the current, potential, and power can be given as follows P = potential x…

Q: Question 2: Three light bulbs are connected to a 9- V battery as shown in Fig. Calculate: (a) the…

A: Fig: Given circuit  (a) Total load connected to the source is  PL=15+10+20PL=45W…

Q: A 10KW immersion heater is placed in a pot containing two liter of water at 23°C. How long will it…

A: Given data: A 10 KW immersion heater is placed in a pot containing two liter of water. Power, P = 10…

Q: Given that a 60W incandescent light bulb is on for 10 hours per day, find the following: a. What is…

A: A bulb is similar to a resistive load which absorb active power from the input and dissipates heat…

Q: . A water heater has a resistance of 5.7 ohms and takes 45.5 amp when in operation. If it is in…

A: In this we will find energy consumption of heater...

Q: Find the supply voltage, 'V' shown in the circuit, if | = 45 mA, R1 = 10 kn and R2 = 20 kN. %3D

A:

Q: 9. A small, portable black-and-white television draws 0.455 A at 9 V. a. What is the power rating of…

A: In this question,  Current drawn by TV = 0.455A at 9V Find the rating P= VI Resistance R= V/I Energy…

Q: Q2: Choose two only. 1. Find the color code for 250k2 resistors with 10% tolerance. 2. Calculate the…

A: 1) Resistor value =250 kΩ tolerance =10 % First digit =2  :  color red second digit 5  : color green…

Q: Q2 / 500 Watt electric heater, calculate the amount of electric current and the electrical power…

A: Write the given values. P=500 WVACRMS=220 Vt=2 hrs=7200 s

Q: An electric skillet draws 5000 mA at 220 V. Assuming that everything is constant and the voltage…

A:

Q: 2. A coal power plant produces 20x MW with 30% efficiency. If the coal used in the plant possesses…

A: Thermal efficiency=heat equivalent of mechanical energyheat of coal combustionOverall…

Q: A walkman has 4 –AA batteries. The combination has a capacity of 200 watt-sec. How long will it take…

A: Given,  A Walkman has 4- AA batteries.   The combination  has a capacity  (C)  = 200 watt-sec…

Q: Q4// A supply company offers the following alternative tariffs () Standing charges of Rs 75 per…

A:

Q: Find the current drawn by a de electric motor that delivers 2 hp while operating at 85 percent…

A: In this question we need to find current drawn by a DC motor .

Q: Q2) An electric heater consumes 1.8 MJ when connected to a 250V supply for 30 minutes. Find the…

A: The solution can be achieved as follows.

Q: A body at a temperature of 50° F is placed in an oven whose temperature is kept at 150° F. If after…

A: Rate of heat gained is proportional to the difference between the surrounding's temperature and…

Q: 2.) It is required to lift a 20,000 kg load to a height of 10m using a 25 HP engine. If the…

A: Given values, Weight of load, m = 20,000 kg Height, h= 10 m Power of engine = 25 HP = 18642.5 watt…

Q: Exercise 1.2. If you place al ohm resistor across a 12 volt car battery, how much power will it…

A:

Q: H.W// Obtain the equivalent resistance at the te shown. 30 2 ww 10 2 www 25 2 202 ww

A:

Q: Practice Question 7.1 A diesel plant burns at 12000 kcal/kg of fuel. The overall efficiency of the…

A: In this question , diesel plant CV is given with efficiency .....We have to find out cost of…

Q: Compute for the time it takes for an electric stove to consume 60 kJ for a 220-V line drawing 30 A…

A: Energy consumed by electric stove = voltage ×current ×time .

Q: A 300W electric heater at 110-V with a safety fuse in the circuit handling 15A of current. How many…

A:

Q: b. For the circuit shown in Fig. 1. calculate the voltage v, the conductance G. and the power p. 2…

A: In the network, one is independent current source supplied the energy to resistance.  Find the…

Electrical Heating Unit

The conversion of electrical energy to heat energy is known as electric heating. The heating system that converts the electrical energy to heat energy for various application is called electrical heating unit. Electricity is employed as the firing mechanism in electric heating systems, which transforms electric current to heat. Electric heaters have heating elements in the form of electric resistors.