3:48 A coil has a resistance of 0.75 and a current of 5.5 through it. The...
JA coil has a resistance of0.75 Ω and a current of5.5 A through it. The flux n coil is, Nd)B = 0.026 Wb. of s.5 A through it. The flux linkage through the a) Calculate the inductance of the coil b) Ifa 6.0 V battery is suddenly connected across the coil, how long will it take for the to rise from 0 to 2.5 A?
JA coil has a resistance of0.75 Ω and a current of5.5 A through it. The...
A coil with inductance of 3.0
H and a resistance of 34.0 ? is suddenly
connected to a resistanceless battery with ? = 100.0 V, by
closing the switch.
What is the equilibrium current?
How much energy is stored in the magnetic field when this
current exists in the coil?
A coil with an inductance of 2.5 H and a resistance of 11 Ω is suddenly connected to an ideal battery with ε = 77 V. At 0.10 s after the connection is made, what is the rate at which (a) energy is being stored in the magnetic field, (b) thermal energy is appearing in the resistance, and (c) energy is being delivered by the battery?
A coil with a self-inductance of 4 H and a resistance of 14 ohm is connected across a 22 V battery of negligible internal resistance. What is the final current? A How much energy is stored in the inductor when the final current is attained? J
A coil with an inductance of 5.2 H and a resistance of 5.2 2 is suddenly connected to a resistanceless battery with an ε = 178.0 V. At 0.98 s after the connection is made, what is the rate at which energy is being stored in the magnetic field? Submit Answer Tries 0/10 What is the rate at which thermal energy is appearing, Submit Answer Tries 0/10 What is the rate at which energy is being delivered by the battery?
A coil has an inductance of 0.250 H and a resistance of 20.0 Ω. The coil is connected to a 6.00-V ideal battery. When the current reaches half its maximum value, at what rate is energy being dissipated?
12. An emf of 96.0 mV is induced in the windings of a coil when the current in a nearby coil is increasing at the rate of 1.20 A/s. What is the mutual inductance of the two coils? A. 12mH B. 20 mH C.40 mH D. 80 mH For items 13-15 consider the RL circuit shown at left with the following values ε-12.OV, R ; 6.0 Ω and Le 30.0 mH. Switch s L is set at position a at...
PHYSICS II:
4) For the circuit shown below, find: a) the equivalent resistance; b) the current through the battery; c) the potential difference across the 10 ohm resistor. 9 p /A we 100C 5) Two resistors with resistances of 12.0 2 and 6.0 are connected in parallel. An 8.0-12 resistor is then connected in series with this parallel combination. An ideal 12.0-V battery is then connected across the series- parallel combination. A) Draw a diagram of this circuit. B) Find...
Q2) A coil has a resistance of 4 ohms and an inductance of 9.55 mh connected in parallel. Calculate a) the reactance, b) the impedance, c) the current taken across both resistor and inductor, d) total current Supply voltage is 220V and frequency is 50 Hz
4. A coil of current carrying wire contains 5oo turns and is 20cm long with a diameter of 2cm. What is its inductance? What is the magnetic flux through it with a current of 20 A running through the wire? What is the induced voltage across it if the 20a current dies to zero at a constant rate during a 10 second interval? V