A light bulb emits light uniformly in all directions. The average emitted power is 75W. At a distance of 2m from the bulb determine the average magnitude of the electric field.    Answer options:  a. 24 V/m.    b.47V/m.     c.56V/m.    d.169V/m

Q: The electric field blw two points of a wire of length 2.0m is 3.00 N/C. If the wire is copper…

A: Given,The electric field is The length is The resistivity,  The diameter is

Q: A 16.0 V power supply is connected across two parallel plates which are separated by a distance of d…

A:

Q: 1- Firstly, the electrons produced by heating a tungsten filament are accelerated by a potential…

A: The objective of the first part of the question is to find the final speed of the electrons. Using…

Q: 4. The solar wind consists of protons from the Sun moving toward Earth (the wind actu- ally consists…

A: solution  :  The speed of the protons can be estimated  V d   = I/ enA Where  e= proton charge n=…

Q: A 3.0-AA current caused by moving electrons flows through a wire. The same number of water…

A:

Q: QUESTION 9 A solar panel measures 80 cm x 57 cm. In direct sunlight, the panel delivers 3.1 A at 15…

A: Given,

Q: What is the power output, by the 260v battery, & At what rate is the electrical eningy being…

A:

Q: The electrons in a cathode ray tube are accelerated from cathode(negative terminal) to…

A: Potential difference between the two ends of cathode ray tube (V) = 2000 V New Potentail difference…

Q: 18. a wire carries a current I = 32sin22t. Find the frequency of the current  A. 35Hz  B. 351.24Hz…

A:

Q: Problem 6: A clock battery wears out after moving 12500 C of charge through the clock at a rate of…

A: Given data The amount of charge is Q = 12500 C The magnitude of the current is I = 0.45 mA = 0.45 x…

Q: 6. A small ball of mass 2.5 x 10-4 kg is suspended on a 70.0 cm string, halfway between two parallel…

A: Mass of ball is: Length of string is: Distance between plates is: Number of electrons is:

Q: 1a) To separate a 0.14 C charge from another charge, 26 J of work is done. What is the voltage of…

A: (1a) The voltage is the work done per unit charge. Calculate the voltage of the 0.14 C charge. V =…

Q: 1. An evacuated tube uses an accelerating voltage of 55 kV to accelerate electrons to hit a copper…

A:

Q: A student left his V = 9.0 V, P = 7.0 W radio turned on at full volume from 9:00 PM to 2:00 AM.  How…

A: Solution:   Given Values,   Power(P)=7.0 W Voltage(V)=9.0 V   It is given that, Full volume from…

Q: 2. Find v. a) 1.25 V b) 1.0 V 452 +5 M 50 c) 4.25 V 2A ↑ 512 d) 5.00 V e) none of these 2 л 25 4~5…

A: Suppose the current in the 1 Ω resistor is I Then the current in the 5Ω resistor will be (2-I) Now,…

Q: For the circuit shown in the figure, what is the current through the 10- resistor? 16V ©2010 Parson…

A: Simple problem from network analysis (Electronics). Let's solve this problem by using Ohm's law and…

Q: A cathode ray tube (CRT) is a device that produces a focused beam of electrons in a vacuum. The…

A: Average current , I =31.00

Q: 1. An evacuated tube uses an accelerating voltage of 45 kV to accelerate electrons to hit a copper…

A: accelerating voltage = 45 kV = 45000 V particle = electron