How much resistance does a heavy duty flashlight have if it has a current of 25 mA flowing through it and is being powered by four 1.5 V cells?
Q: An electrical circuit has a 8.85-V battery wired to two resistors, 1.19 Ohms and 8.46 Ohms, in…
A:
Q: 19. In her bathroom, Mindy has an overhead heater that consists of a coiled wire made of nichrome…
A: The objective of this question is to find the current through the wire when it is first turned on.…
Q: One wire in a high-voltage transmission line carries 1 000 A starting at 560 kV for a distance of…
A: P=I2R
Q: Suppose the operating resistance of a flashlight bulb is 2.1 Ω, and is powered by a 1.56 V alkaline…
A: The current :I = 0.711 A The power :P = 1.06 wattsExplanation:Approach to solving the…
Q: The battery of an electronic device has an emf of 1.6V and internal resistance of 1.46ohm. How much…
A: The circuit is as shown in the above figureVoltage of the battery, VB = 1.6 Vinternal resistance, r…
Q: A solar cell provides an emf of 0.380 V. If the cell supplies a constant current of 18.0 mA for 9.00…
A: A solar cell provides an emf of 0.380 V. If the cell supplies a constant current of 18.0 mA for 9.00…
Q: A battery with an emf of 18 V and internal resistance of 1.0 W is connected across a 5.0 W resistor.…
A:
Q: How many hours would it take to dissipate 47.95 J of energy in a 748 Ohm resistor with a voltage of…
A: The expression for the required time,
Q: A 16.27 Q resistor is connected to a battery that has an internal resistance of 0.76 Q. If the…
A: Given that,Resistor : R = 16.27 (Ohm)Internal resistance : r = 0.76 (Ohm)The terminal voltage : ∆V =…
Q: The heating element of a coffeemaker operates at 120 V and carries a current of 5.50 A. Assuming the…
A:
Q: A 149.7 V battery is hooked to a 25Ω resistor. What is the resulting current (in A).
A: According to ohm's law Potential difference = Current * Resistance Therefore, current (I)…
Q: A 50.7 ohm resistor is put into a circuit with a 16 volt battery. What is the power dissipated (in…
A:
Q: On a sunny day, a rooftop solar panel delivers 80 W of power to the house at an emf of 17 V. How…
A:
Q: 49. Electrons in an X-ray tube are accelerated through 1.00×10² kV and directed toward a target to…
A: Given data- accelerating potential(V) = 1 × 102 kV magnitude of electronic…
Q: The heating element of a coffeemaker operates at 120 V and carries a current of 5.00 A. Assuming the…
A: Given data:The operating voltage of a coffee maker is V = 120 V.The current carried by the coffee I…
Q: A battery delivering a current of 55.0 A to a circuit has a terminal voltage of 23.9 V. The electric…
A:
Q: A lamp is connected to a 120 V line. When the switch is first turned on and the filament is cold,…
A: Given data The voltage to which lamp is connected is given as V = 120 V. The Current flowing…
Q: How many electrons pass through the filament during this time?
A: Given: Current is I=479 mA Time t=8.66 s The magnitude of charge on one electron is qe=1.602×10-19 C…
Q: A certain battery has 6 cells connected in series, creating a total emf of 8.67 V. What is the emf…
A:
Q: A copper wire is 2.50 m long and has a diameter of 2.5 mm. How much current will it draw when…
A:
Q: The heating element of a coffeemaker operates at 120 V and carries a current of 5.00 A. Assuming the…
A: Given data: Voltage (V) = 120 V Current (I) = 5.00 A Mass (m) = 0.300 kg Initial temperature (Ti) =…
Q: A power transmission line is hung from metal towers with glass insulators having a resistance of…
A: Solution: The current flow through the insulator can be obtained by using Ohm's law. Ohm's law is…
Q: The heating element of a coffeemaker operates at 120 V and carries a current of 2.50 A. Assuming the…
A:
Q: A high-voltage electricity transmission line is hung from metal towers with glass insulators having…
A: Given Resistance of wire = 0.85 × 109 Ω Applied voltage = 180 kV We have to calculate the current
Q: A 60-watt light bulb shines at full power when it is connected to a constant power supply producing…
A: Given value--- power = 60 W . Voltage = 100 V . We have to find--- current ?
Q: A meter measures a current of 9.33x10^14 electrons flowing past a point each second. Express this in…
A: Let the number of electrons is denoted by n, the charge is denoted by q, and the time taken is…
Q: ne wire in a high-voltage transmission line carries 1 000 A starting at 460 kV for a distance of 250…
A:
Q: The battery of an electronic device has an emf of 9.6V and internal resistance of 1.36 ohm. How much…
A: Emf of battery (E) = 9.6 volts Internal resistance (R) = 1.36 ohm Energy (e) = 856.6 Joules Time (t)…
Q: A car battery causes a current of 3.75 A through a car head-lamp and produces 12 V across it. What…
A: Given data: Current (I) = 3.75 A Voltage (V) = 12 V Required: Power (P)
Q: A 25 m wire has a diameter of 1 mm. If the wire has a total resistance of 16 Ω, what is the wire’s…
A:
Q: An electric hot plate has a power output of 2.71 kW when connected to a 93.53 V source. What is the…
A:
Q: A 3.31 volt potential difference is placed across a 1,957.08 ohm resistor. How many electrons pass…
A: Given value--- voltage = 3.31 V. resistance = 1957.08 ohm. time = 3.30 sec. We have to find---…
Q: An electric hot plate has a power output of 1.39 kW when connected to a 90.62 V source. What is the…
A: Given, Power (P)=1390 W Voltage(V) = 90.62 V
Q: The heating element of a coffeemaker operates at 120 V and carries a current of 4.50 A. Assuming the…
A: Operating voltage V= 120 V Current I = 4.50 A Power rating is given by P = VI P = 120×4.50 W P = 540…
Q: A wind farm generates 2,286 kW of electrical power for a nearby community. The transmission wires…
A:
Q: A battery with an emf of 18 V and internal resistance of 1.0 W is connected across a 5.0 W resistor.…
A: Given that,EMF of the battery : ε = 18 (V)Power of internal resistance : Pr = 1 (W)Power of internal…
Q: An electric hot plate has a power output of 2.9 kW when connected to a 97.96 V source. What is the…
A: Given, Power (P)= 2900 W Voltage(V) = 97.96 V
Q: 1. If electricity costs 15 Bz per kilowatt-hour, how much does it cost to operate a 220 V water…
A: As per guidelines, question 1 is answered. For the remaining question to be answered, post that…
How much resistance does a heavy duty flashlight have if it has a current of 25 mA flowing through it and is being powered by four 1.5 V cells?
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
