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20 Nov 2019
A coil has 460 turns andself-inductance 3.45 mH. The currentin thecoil varies with time according to i = (680mA)cos(Ït/0.0250 s).
(a) What is the maximum emf induced inthecoil?
1 V
(b) What is the maximum average flux through each turn ofthecoil?
2 Wb
(c) At t = 0.0175 s, what isthe magnitude of the inducedemf?
3 V
A coil has 460 turns andself-inductance 3.45 mH. The currentin thecoil varies with time according to i = (680mA)cos(Ït/0.0250 s).
(a) What is the maximum emf induced inthecoil?
1 V
(b) What is the maximum average flux through each turn ofthecoil?
2 Wb
(c) At t = 0.0175 s, what isthe magnitude of the inducedemf?
3 V
1 V
(b) What is the maximum average flux through each turn ofthecoil?
2 Wb
(c) At t = 0.0175 s, what isthe magnitude of the inducedemf?
3 V
Nestor RutherfordLv2
8 Aug 2019
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A thin square coil has 46 turns of conductingwire. It isrotating with constant angular velocity in a uniformmagnetic fieldB of 0.270 T. At times there is NO magnetic fluxthrough the coil,and at other times, there is the maximum possibleflux. The graphbelow shows the magnetic flux F through ONE turn of the coil as afunction oftime.
What is the length of a side of the coil?
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| Tries 0/8 |
| Tries 0/8 |
| Tries 0/8 |
| Tries 0/8 |
