The power consumed by a device drawing a 0.8 A when connected to 120 V is A) 12 W B) 15 W C) 60 W D) 120 W E) 96 W

Q: A battery has an emf of 16.0 V. The terminal voltage of the battery is 11.6 V when it is delivering…

A: Given ,EMF of battery = 16V Terminal voltage of battery =11.6V Power delivered to external resistor…

Q: When connected to a 120-V source, an electric heater is rated at 1200 V and a toaster at 6.0x10^2 V.…

A: Given data:  Voltage (V) = 120 V Power rating of electric heater (P1) = 1200 W Power rating of…

Q: What is the power rating of a stove that receives 12.5 A of current and requires 150 V to function?…

A: Given that:- Current, I=12.5 A Potential V=150 V Power is given as: P=VI                   Equation…

Q: What is the unit for power? Coulombs/sec Voits O Watts O Amperes Chns Which of the following light…

A: In general, current = charge/time Unit => Coulombs/sec or Amperes Electric potential Unit =>…

Q: Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now…

A: The power dissipated in the initial case can be given by P=V2R

Q: Two 100 WW (120 VV) lightbulbs are wired in series, then the combination is connected to a 120 VV…

A: Here, 2 bulbs are connected in series, Resistance of each bulb (R1 & R2)  = V2P= (120)2/100 =…

Q: A charge of 5 nC jumps through a gap in 40pS duration. What amount of current flowed through the gap…

A: Given Amount of charge is Q=5 nC Time taken is t=40*10^-3 ns

Q: Two lamps, one rated at 100 W at 220 V and the other 60 W at 220 V are connected in parallel to a…

A: Given  P1 = 60 W at 220 V P2 = 100 W at 220 V Appleid voltage (V) = 220 V

Q: During an electricity investigation, a student stated, “When the voltage increases current…

A: Given data:  When the voltage increases current increases Required: The equation that describes the…

Q: 5 μF a 2 μF 5 μF 3 μF 3 µF 6 μF 3 μΕ 6 µF

A:

Q: A compact fluorescent lamp (CLF) uses less energy than its equivalent incandescent bulb. How much…

A:

Q: An electrical appliance draws 9.0 amperes of current when connected to a 120-volt source of…

A: It is given that,  Current, I=9 A The potential difference, V=120 V It is required to find the…

Q: A 100W light bulb is turned on.  It has an operating voltage of 120V.   a) How much current flows…

A: Using Ohm's law which is given by, VI=R And power is  P=IV

Q: Which of the following is the energy consumed by a 6 lightbulb when it is wired to a 9 V battery for…

A: Given : R = 6 ohms V = 9 V t = 20 seconds

Q: When electric current in a circuit reaches a junction, it divides. What is the key physics that…

A: The 2nd law of thermodynamics give the information of the quality of the energy. Newtons third law…

Q: The charge flowing through a light bulb attached to a 12.0-V battery in 14.0 s is 30.0 C. What is…

A: Voltage, V = 12 VCharge, Q = 30 CTime, t = 14 sAverage power, P = ?

Q: Three 100-Q resistors are connected as shown in 100 Q Figure. The maximum power that can safely be…

A:

Q: A 10 resistor and a 15 resistor are connected in a parallel to a 12 V battery. What is the total…

A: 10 ohm and 15 ohm are in parallel combination. so, 1/R = 1/10 + 1/15 R = 150/25 = 6 ohm

Q: 12) A heart defibrillator passes 12 A of current through a patient's torso for 3×10´s to restore…

A: Given: Current, I=12 A Time, t=3×10-3 s   To determine: (a) charge passed through body. (b) Voltage…

Q: R₁ 20~ 30~ R₂ R3 40

A:

Q: A hair dryer is designed to use 800W of power when connected to a 120V outlet. A) find the current…

A: Power of hair dryer = 800 Voltage = 120 V

Q: Complete the table below. Voltage SI No (V) Resistance R, Power in R, Current in R, Current in R2…

A:

Q: According to the figure, how many V is the voltage value between cb?

A:

Q: A resistor R2=17.0 N is mounted in parallel with a resistor R3=8.00 2, and this combination is…

A: Total resistance R = R1 + R2R3/(R2+R3)  The combination of R2 and R3 for parallel and in series with…

Q: The headlamp of a car draws 4 A from the 12 V battery. How much energy is consumed in one hour?…

A:

Q: Suppose the electric company charges 2.6 cents per kW-h. How much does it cost to use a 125 watt…

A: Total working time for the lamp, t=4 hours30=120 hours   total power consumed is, P=pt=125 W120…

Q: Two lamps, one rated 100 W at 220 V, and the other 60 W at 220 V, are connected in parallel to…

A: The equation for the power is given as,

Q: Light bulb of an automobile dissipates 60 Watts when connected to a 12 Volt battery. What is the…

A: Power (P)  of light bulb= 60 W Voltage of the battery (V) = 12 volts

Q: A car battery that has 13.8 V moves 58, 000 C of charge. What is the energy output of the battery? b…

A: Given  Vo = 13.8 V   q = 58,000 C  Energy output of the battery     E = q×V

Q: When a 10 volt potential difference is applied to a resistance wire, 1.0x109 electrons pass through…

A: Given data: The potential difference, V=10 V Number of electrons, Time taken, t=80 s

Q: While a 6-µF capacitor is charged through a resistor, the current drops to half of its maximum…

A:

Q: A battery-operated car utilizes a 12.0 V system. Find the charge the batteries must be able to move…

A: Given: A battery operated car utilizes a 12 V system The weight of the car is 750 kg The car travels…

Q: A capacitor of capacitance C-2mF is discharging through a resistance R-0.5MN. How long (in sec) does…

A:

Q: The adjacent figure is the l-V curve of a solar cell operating at T=30OK. The filling factor of the…

A:

Q: If you have a 24.0 V motorcycle battery that can make 3500 C of charge, and a 24.0 V car battery…

A: The energy stored is given as E=Vq…