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· 11-15 · 16-20 · 21-25 · 26-30 · 31-35 · 36-40 · 41-45 · 46-50 · 51-55 · 56-60 · 61-65 ·Induced emf on a loop with a light bulb as it moves near a current carrying wire
ok I can't seem to load my picture into this so I have to try and describe this with words. keep in mind this is a final exam problem and will not require much detail. I just need a quick primer that will enable me to do well on this problem in exam circumstances. With that in mind given a loop of wire with a lightbulb on it(therefore a resistance) and a current carrying length of wire where the current is flowing to the right. I need to know whether or not there would be induced emf if we move the loop in various ways. Ie would the bulb light up. Picture the wire along the top aligned horizontally and the current carrying loop a little under it. I need to know which cases the light bulb wou... click for more
Subject:
Physics
Topic:
Electricity, Magnetism and Waves
Posting ID:
4855
OTA ID:
103139
Calculating the dielectric constant for glass.
A capacitor with air between its plates is charged to 70 V and then disconnected from the battery. When a piece of glass is placed between the plates, the voltage across the capacitor drops to 43 V. What is the dielectric constant of this glass? (Assume the glass completely fills the space between the plates)
Subject:
Physics
Topic:
Electricity, Magnetism and Waves
Posting ID:
4874
OTA ID:
101353
Calculating the change in voltage of an electron.
An electron is moved to a negative plate from an initial position 2.90 mm from the positive plate. What is the change in electrical potential energy due to the movement of this electron? Answer in units of J. Assuming: The force on the electron is 1.8253408e-14 N. The total separation between + and - plates is 5.32mm. The potential difference between the plates is 606.1 V. The magnitude of the electric field between the plates is 113938.57 V/m.
Subject:
Physics
Topic:
Electricity, Magnetism and Waves
Posting ID:
4875
OTA ID:
103139
transverse wave pulse mass on a string ( include weight of string)
A mass M hangs vertically on a rope of mass m and length L.
a) show that the time for a transverse wave to travel the length of the rope is:
t= 2(L/mg)^1/2[(M+m)^1/2-M^1/2]
b) show that this reduces to t=2(L/g)^1/2 when M=0
c)show that for m
Subject:
Physics
Topic:
Electricity, Magnetism and Waves
Posting ID:
4890
OTA ID:
103060
A +30e-6 charge is placed 32 cm form an idnetical +30e-6 charge. How much work would be required to move a +50e-6 test charge from a point midway between them to a point closer to either of the charges?
Subject:
Physics
Topic:
Electricity, Magnetism and Waves
Posting ID:
4928
OTA ID:
103060
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