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We have an RC circuit with a 1.0 mega Faraday capacitor, a 20 kilo-ohms resistor, amd a 9.0 volt battery. what is the voltage between the plates of the capacitor
A resistor with R = 2.4 k? is connected to an AC generator that operates at 60 Hz with an amplitude of 41 V. Find the average power dissipated in the resistor
A right side view automobile mirror with a radius of curvature of 15.0 m reflects an object at a distance of 10.0 m from the mirror. calculate the magnification factor
A diver in a swimming pool shines a flashlight up from below the water%u2019s surface at an angle of 30.0 degrees from the normal. at what angle to the normal does the light leave the water
An electromagnetic wave traveling in the negative x direction has an electric field amplitude of 10.0 V/m in the positive y direction. calculate the amplitude of the magnetic field
The starter motor of a car engine draws a current of 127 A from the battery. How much charge passes trough the starter motor
The electric field inside a 28.41-cm-long copper wire is 0.021 V/m. What is the potential difference between the end of the wire
A 137-cm-long wire is made by welding a 1.3-mm-diameter, 26-cm-long copper wire to a 0.31-mm-diameter, What is the resistance of the composite wire
A typical American family uses 1120 kWh of electricity a month. On average, what is the resistance of a household
A 195 W (121 V) night light is turned on for an average 6.5 hr a day year round. What is the annual cost of electricity at a billing rate of $0.07 per kWh
To measure signal propagation in a nerve in the arm, the nerve is triggered near the armpit. What is the speed of propagation along this nerve
Two 125 W (122 V) lightbulbs are wired in series, How much power is dissipated by each bulb
When two resistors are connected in parallel across a battery of unknown voltage, What current will be supplied by the same battery
A 22.5-microF capacitor is charged by a 147.0-V power supply, Calculate the energy stored in the inductor at t = 1.30 ms
A coil has 480 turns and self-inductance 3.40 mH. At t = 0.0150 s, what is the magnitude of the induced emf
The small mass m sliding without friction along a looped track is to remain on the track at all times, Calculate the magnitude of the normal force exerted by the track at the top of the loop
An electron with an initial speed of 342910 m/s is brought to rest by an electric field. What was the potential difference that stopped the electron
A 2.55-cm-diameter parallel-plate capacitor with a spacing of 0.38 mm is charged to 300 V. What is the total energy stored in the electric field
The electric field between the plates of a parallel plate capacitor is horizontal, uniform, and has a magnitude of 3.5*10^4 N/C. What is the angle made by the thread with the vertical axis
A square with sides of length L=.1 m has a point charge of 2 microC at each of its four corners. Find the magnitude of the force acting on any one of the charge
A point source emits 86.9 W of sound isotropically. A small microphone intercepts the sound in an area of 0.231 cm2, calculate the power intercepted by the microphone
An object of mass 2 kg and charge 40 microC is moving with initial speed of 5 m/s towards a fixed point charge of 30 microC which is fixed. Find the position of the object when it comes to rest
A stationary charged particle at the origin creates an electric flux of 487 N ? m2/C through any closed surface surrounding the charge. Find the electric field it creates in the empty space around it
A large reflecting telescope has an objective mirror with a 10.0 m radius of curvature. what angular magnification does it produce
An electric field of magnitude 190 V/m is directed perpendicular to a circular planar surface with radius 6.39 cm, determine the magnitude of the magnetic field at a radial distance 11.1 cm away from