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Topic:Electromagnetic Waves

I.D Level Problem Problem Topic
920 High school A 10-cm diameter parallel plate capacitor has a 1.00 mm spacing . The electric field between the plates is increasing at the rate 1.0 x 10^6 V/m/s . What is the magnetic field strength 3.0 cm from the axis ? (T) . . . continues
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Electromagnetic Waves
921 High school A simple series circuit consists of a 200 ohm resistor , a 22.0 V battery , a switch , and a 3.50 pF parallel-plate capacitor (initially uncharged ) with plates 5.0 mm apart . The switch is closed at t = 0 s .

After the switch is closed , find the maximum electric flux through the capacitor . (Vm) and the maximum displacement current . . . continues
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Electromagnetic Waves
922 High school An 80 kg astronaut has gone outside his space capsule to do some repair work. Unfortunately, he forgot to look his safety tether in space , and he has drifted 5.0 m away from the capsule . Fortunately , he has a 1000 W portable laser with fresh batteries that will operate it for 1.0 hr. His only chance is to accelerate himself toward the space caps . . . continues
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Electromagnetic Waves
923 High school A powerplant produces a certain amount of power at a certain voltage , the power is ‘stepped up’ to a much higher voltage for transmission over long distances using a transformer then ‘stepped down’ to a lower voltage before it enters your home . What is the purpose of this procedure ? . . . continues
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Electromagnetic Waves
924 High school What some radiation harmful and some not harmful , for instance the visible light given off by a light bulb is an electromagnetic wave but will not harm your body , but an xray is also an electromagnetic wave but can be harmful to your body ? . . . continues
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Electromagnetic Waves
925 High school Suppose an electric charge is sitting out in space by itself and not moving . What happens when an electromagnetic wave passes through the space around this charge ? . . . continues
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Electromagnetic Waves
926 High school Suppose you take a coil of wire and you could measure any current passing through it . You now wave the coil around in the air and even though there are no magnets nearby you detect a current in the wire . What causes this current . . . . continues
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Electromagnetic Waves
927 High school A certain electromagnetic wave (em) has a period of 1 x 10^-21 s . What is the wave’s frequency and wavelength ? What type of an em is this ? . . . continues
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Electromagnetic Waves
928 High school A white light is placed near a prism . The resulting light ‘bounces’ off a mirror onto an opposite wall . Describe the initial state versus the final state of the light and changes it undergoes between these two states . What is the difference between what the light looks like on the mirror versus what it looks like on the opposite wall ? . . . continues
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Electromagnetic Waves
929 High school If the magnetic field in a traveling EM wave has a peak value of 12.5 nT , What is the peak value of the electric field strength ? 3 . . . . continues
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Electromagnetic Waves
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