Ex./67: An A.C. supply of 50 Hz is applied across a circuit containing a resistance of 10 and capacity of 50 µF. Determine the phase difference between the current through the circuit and applied e.m.f.
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Q: P6
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A: Given,Fs=200Nspring constant k=slope of the linek=200N0.02 m=10000 N/m
Q: The magnetic flux associated with the čoil changes from zero to 6 x 10 Wb in 10 sec. Calculate…
A: To find-Induced emf (e)=?Given-ϕ1=0 Wbϕ2=4×10-4 WbTime (t)=10 sec
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Q: +8
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Q: 9) A spring has a constant of 875 N/m. What hanging mass will cause this spring to stretch 4.5 m?
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A: Given that-Force, F=557 NLength, L=66marea, A=2.8 mm2Y=1×1011 N/m2We know that,Hook's law FA=Y×∆LL…
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Q: The magnetic flux associated with a coil changes by 5 x 102 Wb in 25 seconds. Find the e.m.f.…
A: To find-Emf induced in a coil (e)=?Given-dϕ=5×10-2 Wbdt=25 sec
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Q: A 557-N force is applied to stretch a cable, 66-m long and has a cross-sectional area of 2.8 mm^2.…
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A: We will compare the momentum of photon at two different wavelengths.
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A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…
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Q: 4 Ex/14: The metal rod 1 m long rotates about its one end in a plane at right angles to a horizontal…
A: To find-Induced emf (e)=?Given-length of rod (l)=1 mFrequency (n)=100 rpsMagnetic induction…
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Q: The magnetic flux associated with the coil changes by 32 x 102 Wb in 20 seconds. Find the e.m.f.…
A: To find-Induced emf (e)=?Given-Magnetic flux (dϕ)=32×10-2 WbTime (dt)=20 sec
Q: Calculate the reflection coefficient of the cavity reflectors for semiconductor laser with 500μm…
A: Given,L=500 μmα=820/mgth=3000/m
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Q: Use Stefan's law to calculate how much less energy is emitted per unit area of a 4500-K sunspot.
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Q: Ex. 79: Calculate the quantity of heat emitted in 5 minutes by a black cube each of side 5 cm long…
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Q: A star is observed at a distance of 90 pc. What will be its parallax angle?
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