A coil with 193 turns has a magnetic flux of 37.3 nT-m² through each turn when the current is 1.90 mA. (a) What is the inductance of the coil? What are the (b) inductance and (c) flux through each turn when the current is increased to 3.53 mA? (d) What is the maximum emf & across the coil when the current through it is given by i = (2.72 mA)cos(wt), where w = 205 rad/s? (a) Number 3.788894737 Units mH (b) Number 3.788894737 Units mH (c) Number i 6.929947369 Units nWb (d) Number i 2.112687705 Units V

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A coil with 193 turns has a magnetic flux of 37.3 nT-m² through each turn when the current is 1.90 mA. (a) What is the inductance of
the coil? What are the (b) inductance and (c) flux through each turn when the current is increased to 3.53 mA? (d) What is the
maximum emf & across the coil when the current through it is given by i = (2.72 mA)cos(wt), where w = 205 rad/s?
(a) Number
3.788894737
Units
mH
(b) Number 3.788894737
Units
mH
(c) Number i 6.929947369
Units
nWb
(d) Number i
2.112687705
Units
V
Transcribed Image Text:A coil with 193 turns has a magnetic flux of 37.3 nT-m² through each turn when the current is 1.90 mA. (a) What is the inductance of the coil? What are the (b) inductance and (c) flux through each turn when the current is increased to 3.53 mA? (d) What is the maximum emf & across the coil when the current through it is given by i = (2.72 mA)cos(wt), where w = 205 rad/s? (a) Number 3.788894737 Units mH (b) Number 3.788894737 Units mH (c) Number i 6.929947369 Units nWb (d) Number i 2.112687705 Units V
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