a. If a certain silver wire has a resistance of 9.00 Ω at 29.0°C, what resistance will it have at 43.0°C?  Ω

Q: A solar cell generates a potential difference of 0.10 V when a 500ohm resistor is connected across…

A: When the resistance R is in the circuit, the emf is Using ohm’s law, Thus, the equation for the…

Q: A 55” TV draws 0.500 A of current when connected to 120 v.  (a) How many watts of electricity does…

A: P=IV=0.500 A120 V=60 W

Q: The human body can exhibit a wide range of resistances to current depending on the path of the…

A:

Q: A 1470 W radiant heater is constructed to operate at 115 V. (a) What is the current in the heater…

A: Current in the circuit, resistance of the circuit and heat produced in the circuit needs to be…

Q: (a) An immersion heater utilizing 120 V can raise the temperature of a 1.00×102 -g aluminum cup…

A: (a) The law of conservation of energy,  Electric energy=heat…

Q: Two resistors with values of 15 Ω and 19 Ω, respectively, are connected in series and hooked to a 12…

A: Given: The resistors with values of 15 Ω and 19 Ω. The connection of the resistors is in series. The…

Q: A 75-W light bulb is turned on. It has an operating voltage of 120 V. (a) How much current flows…

A: Given,                       power of bulb (P) = 75 W            operating voltage (V)= 120 volt…

Q: a) An electrician wishes to cut an iron wire (p = 9.71x10 Qm) that has 252 of resistance. The wire…

A:

Q: What is the resistance of a 310 Ω, a 2.50 kΩ, and a 4.15 kΩ resistor connected in series? (b) What…

A:

Q: A battery with an emf of 15 V delivers 374.1 mA to a 35 Ω load. a. What is the internal resistance…

A: Given, EMF of the battery = 15 V = E Current delivered by the battery = 374.1 mA =I Load resistance…

Q: A small office building air conditioner operates on 250 V AC and consumes 3.01 kW. (a) What is its…

A: Given data: Power of the conditioner = 3.01 kW voltage of the conditioner = 250 V Need to determine…

Q: A man wishes to vacuum his car with a canister vacuum cleaner marked 535 W at 120 V. The car is…

A: It is given that,

Q: e potential difference across a resting neuron in the human body is about 75.0 mV and carries a…

A: Given data V=75 mV=75×10-3 V Current, I=0.2 mA=0.2×10-3 A

Q: The human body can exhibit a wide range of resistances to current depending on the path of the…

A: Current electricity is the flow of electrons in a conductor. The potential generated when a current…

Q: (a) What is the resistance of a 390 Ω, a 2.50 kΩ, and a 3.85 kΩ resistor connected in series? (b)…

A:

Q: A 60-W light bulb is turned on. It has an operating voltage of 120 V. (a) How much current flows…

A:

Q: 2. A person with body resistance between his hands of 10 ka accidentally grasps the terminals of a…

A:

Q: )If a certain silver wire has a resistance of 8.40 Ω at 16.0°C, what resistance will it have at…

A:

Q: A 180 W lightbulb is plugged into a standard 120 V outlet. (a) How much does it cost in dollars per…

A: Given data: Power consumption of lightbulb, P=180 W Voltage, V=120 V Cost of electrical energy is…

Q: a) A battery having an emf (ɛ) of 6V and an internal resistance (r) of 0.30 is connected to a load…

A:

Q: young man owns a canister vacuum cleaner marked "535 W [at] 120 V" and a Volkswagen Beetle, which he…

A: Power , P = 535 W , Volt , V = 120 V Resistance of conductors in the extension cord , r = 0.9 Ω  To…

Q: (a) What is the hot resistance of a 28.0o w light bulb with a tungsten filament that runs on 120 V…

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: A coffee maker is rated at 0.87 kW when connected to a 120 V source. (a) What current (in A) does…

A:

Q: An electrician wishes to cut a copper wire (ρ=1.72×10-8 Ωm) that has 10Ω of resistance. The wire has…

A: Ans:- Image-1

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

A:

Q: toaster operating on 120 V uses a current of 9.4 A. (a) What is the toaster's power consumption? |w…

A: a) We know that power consumed by any resistor is  P=VI=120V(9.4A)=1128W b)Energy used by it…

Q: An electric clothes dryer has a heating element with a resistance of 8.6 2. (a) What is the current…

A: Resistance of the heating element is R=8.6 Ω Voltage is V = 240 V Current (I) in the element is…

Q: a) An electrician wishes to cut a tungsten wire (p = 5.6x10-8 Qm) that has 202 of resistance. The…

A: Given data:  Resistivity (ρ) = 5.6×10-8 Ωm Resistance (R) = 20 Ω Wire radius (r) = 0.750 mm =…

Q: Unms of resistance, Find the current when the heater is operated with standard household voltage of…

A:

Q: (a) What is the terminal voltage (in V) of a large 1.90 V carbon-zinc dry cell used in a physics lab…

A:

Q: A direct-current generator has an EMF of 120 V, which means that it is also its terminal voltage…

A:

Q: A cauterizer, used to stop bleeding in surgery, puts out 2.00 mA at 16.0 kV. (a)What is its power…

A: Given here, currect =2.00 mA =2.00×10-3 Avoltage =16.0 kV =16.0×103 voltwe have to caalculate the…

Q: 1. During surgery, a current as small as 20.0 µA applied directly to the heart may cause ventricular…

A: Note: As per the guidelines, we can only answer first part of multiple questions. Sorry for the…

Q: A coffee maker is rated at 1180 W, a toaster at 1030 W, and a waffle maker at 1380 W. The three…

A: Given that, Power rating of coffee maker, Pc=1180 W Power rating of toaster, Pt=1030 W Power rating…

Q: The circ R1 60 12 V 8Ω R2 102 R3 a) What is the total resistance in the circuit? b) How much current…

A:

Q: A car battery with a 12-V emf and an internal resistance of 0.050 Ω is being charged with a current…

A: a) The required potential difference is, b) The required rate of thermal energy is,

Q: a) An electrician wishes to cut an iron wire (ρ = 9.71×10-8 Ωm) that has 25Ω of resistance. The wire…

A: Resistance of copper wire is given by: R = rho*L/A rho = resistivity of copper wire = 9.71*10^-8…

Q: (a) Find the voltage drop (in V) in an extension cord having a 0.0650 Ω resistance and through which…

A:

Q: Giant electric eels can deliver a voltage shock of 5.00×102 V and up to 1.00 A of current for a…

A: Since you have posted a question with multiple sub-parts, as per our guidelines we will solve first…

Q: A lightbulb is rated at 75 W when connected to 120 V. (a) What current flows through the bulb in…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Find the current in a 15.00 n resistor connected to a battery that has an internal resistance of…

A: