An x-ray tube for radiography is at 80 kV.  It generates (heat) power of 30 kW.  The effective total resistance of the system is _____ kΩ.

Q: A microwave is rated at 975 Watts. If it receives 240 Volts of potential difference, a) What is the…

A:

Q: When running on its 11.5V battery, a laptop computer uses 7.5W. The computer can run on battery…

A: The relation between the current, voltage and power is, P=IV Here P is the power, I is the current…

Q: The heating coil in an electric tea pot is made of nichrome wire with a radius of 0.375 mm. If the…

A: The answer is given below Explanation:Step 1:(a) 14.37 ohm(b) 4.23 mStep 2:Step 3: Step 4:

Q: In a certain article, laser therapy was discussed as a useful alternative to drugs in pain…

A: In a certain article, laser therapy was discussed as a useful alternative to drugs in pain…

Q: A cauterizer, used to stop bleeding in surgery, supplies 1.95 mA at 13 kV. What is its power output,…

A:

Q: Consider a resistor of resistivity 1.59x10^-8 ohms•m. If an electric field of 19 V/m is applied…

A: Let the resistivity of the material of the resistor ρ, the electric field applied on its ends be E,…

Q: please answer the following A) A lightning stroke lasts 0.02s and involves a flow of 298 C. What is…

A: (A) Assume the current is denoted by I. The time taken is t = 0.02 s. The charge flow is Q = 298 C.

Q: (a) In the figure what value must R have if the current in the circuit is to be 1.5 mA? Take &₁ =…

A:

Q: When an electric heater is turned on, the Nichrome heating element is at C and draws a current of 15…

A:

Q: A battery can provide a current of 3.20 A at 2.00 V for 2.50 hr. How much energy (in kJ) is…

A: The equation for the energy produced is given by,

Q: If the blood viscosity is 2.7x10-3 Pa.s, length of the blood vessel is 0.2 m , tubular resistance of…

A:

Q: An electric eel develops a potential difference of 500 V, driving a current of 0.80 A for a 1.0 ms…

A:

Q: (4%) Problem 4: AAV =1.5 V battery loses E = 5.5 J of energy each day (t 24 hrs) powering a cell…

A: Given: ∆V=1.5 V Energy loss, E=5.5 J Time, t=24 hrs   To find (a) write an expression for current.…

Q: V mercury cell with a capacity of 2.5 A⋅h is used to power a cardiac pacemaker. (a) If the power…

A: Given  Capacity of mercury cell = 2.5 A.h Power of cell = 0.3 mW=0.0003 W We have to find average…

Q: THe heater element of a particular 120V toaster is a 8.9m length of nichrome wire, whise diamter is…

A:

Q: A Nichrome heater dissipates 526 W when the applied potential difference is 110 V and the wire…

A: Given: The power loss due to the nichrome heater at 800 oC is 526 W. The potential difference is 110…

Q: A Nichrome heater dissipates 511 W when the applied potential difference is 110 V and the wire…

A:

Q: ) In the figure what value must R have if the current in the circuit is to be 0.93 mA? Take ₁ = 2.2…

A: Current = i = 0.93 mA E1 = 2.2 V E2 = 3.4 V

Q: A potential difference of 2.20 V will be applied to a 43.00 m length of 18-gauge silver wire…

A: Given data: V=2.20 Vl=43.0 md=0.04 in Need to determine the thermal energy will appear in the wire.

Q: A radiograph is taken using an 8.4 mAs value and 120 mA current. What was the time in milliseconds?…

A: Given data The magnitude of the charge using radiograph is Q = 8.4 mAs The magnitude of the current…

Q: Determine the resistance of the heating element in units of ohms [Q).

A: Given, power supply voltage Vin=24V the efficiency of the heater η=73% output power     Pout…

Q: A heater is rated to dissipate 2880 W when connected to a 120 V source. The current drawn by the…

A: Given P = 2880 W V = 120 Volts We have  P = V*I

Q: heating coil is made from nichrome wire of radius 0.45mm. The coil is designed to produce 240 W of…

A: Given: Radius r = 0.45 mm Power P = 240 W. Potential difference V = 24 V To determine: Resistance R.…

Ohm's law

Ohm’s law is a prominent concept in physics and electronics. It gives the relation between the current and the voltage. It is used to analyze and construct electrical circuits. Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it.

Path of Least Resistance

In a series of alternate pathways, the direction of least resistance is the actual or metaphorical route that offers the least resistance to forwarding motion by a given individual or body.