How much electrical energy (in kilojoules) is transferred to thermal energy in 2.32 hours by an electrical resistance of 414 ohms when the potential applied across it is 85 volts?

Q: 10. Determine the current through the ammeter in the circuit with (a) two light bulbs in parallel…

A: Resistance of each bulb = 4 ohm VT = 12 volts

Q: A 240V household appliance has an electrical resistance of 209 Ohms. How much energy will it use in…

A:

Q: Considering a current of 0.2 A, what is the electrical potential if the resistance of the wire is 10…

A: Given : Current (I) = 0.2 A Resistance (R) = 10 Ω Electric Potential (V) = ?

Q: Of what material is a wire made, if it is 25.0 m long with a 0.100 mm diameter and has a resistance…

A:

Q: How much electrical energy (in kilojoules) is transferred to thermal energy in 2.97 hours by an…

A: Given: The time interval is 2.97 h. The resistance of the circuit is 671 Ohm. The potential…

Q: 5. How much electrical energy is transferred to thermal energy in 2.50 hrs by an electrical…

A:

Q: A miliammeter has a resistance of 10 2 and has a range of 0.25 mA. How will you convert it into a…

A: To Convert: Miliammeter into voltmeter Given: Resistance of miliammeter (G) = 10 ohm Voltage (V) =…

Q: A hospital electric heater of the resistance 10 Ω draws 18 A current from the service  main. At what…

A: Given data:  Resistance (R) = 10 Ω Current (I) = 18 A Time (t) = 24 h Cost of electricity = 11.37¢ /…

Q: Two identical resistors of 249 Ohms are configured in parallel and connected to a 12.8V power…

A: Resistance of the resistors R = 249 ohms Voltage of the power supply V = 12.8 V

Q: The resistance of a bulb filament is 1002 at a temperature of 100°C. If its temperature coefficient…

A:

Q: How long does it take the charge to reach 63% of its final value if a 10 microfarad capacitor is…

A:

Q: The efficiency for LED lightbulbs is typically about 90 lumens per watt (Im/W). Use Ohm's law to…

A:

Q: What are the expected readings of the following in the figure below? (R = 7.60 Q, AV = 5.40 V) A w R…

A:

Q: How much electrical energy (in kilojoules) is transferred to thermal energy in 2.90 hours by an…

A:

Q: Calculate the current through a 10.0 m long nichrome wire with a diameter of 0.642 mm if it is…

A: Given data *The length of the nichrome wire is l = 10.0 m *The diameter of the wire is d = 0.642 mm…

Q: the heating element on an electric heater dissipates 4.0 x 10^2 watts of power when connected to a…

A:

Q: How much electrical energy (in kilojoules) is transferred to thermal energy in 3.07 hours by an…

A:

Q: A thin silver wire has a resistance of 0.5 ohms when its temperature(in K) is To. The wire is then…

A: Temperature coefficient of silver = 0.0038 °C-1

Q: A girl has an effective resistance of 566 Ω in her body. If the fatal voltage to her is 60 V, the…

A:

Q: THREE RESISTORS OF SAME VALUE ARE CONNECTED IN SERIES TO A 12-V SOURCE. WHAT IS THEIR COMMON OHMIC…

A:

Q: 3. Two resistors a and b are connected in parallel. The total resistance R in such a circuit is…

A:

Q: A tungsten filament has a resistance of 133 Ω at 1500C. If the temperature coefficient of resistance…

A: Given that: The resistance is R1=133 Ω at a temperature T1=150 °C Temperature co-efficient =0.0045…

Q: Copper wiring in a house usually has a diameter of approximately 1.5mm. What length of copper wire…

A: Given that - Diatmeter of copper wire(D) =1.5mm=1.5*10^-3m Resistance(R)=1.0 ohm Resistivity of…

Q: A (7.74x10^1) W, 110-V bulb is connected in parallel with a (4.250x10^1) W, 110-V bulb. What is the…

A:

Q: A battery with an emf of 21 V delivers a constant current of 3.7 mA to a device. How much work does…

A: (given) Battery voltage (V) = 21 V               Current (I) = 3.7 mA…

Q: The open-circuit voltage of a storage cell is 2.4 volts. The terminal voltage, measured when the…

A:

Q: A potential difference of 120 V is applied across a resistor of unknown resistance. If the heat…

A:

Q: A battery with an emf of 26 V delivers a constant current of 4.3 mA to a device. How much work does…

A: Given Data:Emf of battery E = 26 VCurrent I = 4.3 mA = 4.3×10-3 ATime t = 5 minutes = 5 ×60 st = 300…

Q: The current of 3 A flows through certain resistance when a cell is connected across it. The P.D.…

A: The internal resistance of a cell (r) has to be found. Given data: EMF of a cell (E) = 5 volt…

Q: How much electrical energy (in kilojoules) is transferred to thermal energy in 2.90 hours by an…

A: Given: The time interval is 2.9 h. The resistance of the circuit is 384 Ohm. The potential…

Q: An iron wire has a diameter 2.45 mm and resistivity 9.71x 10 Om. What will be the length of this…

A:

Q: A hair dryer draws 6.0 A when plugged into a 120-V line.  (a) What is its resistance?  (b) How…

A:

Q: At some temperature T, a resistor has a resistance of R=40ohm. When the temperature is raised to…

A: Given Value of Resistance R at temperature T = 40 ohm Value of Resistance R at temperature 10T = 118…