A hot-air balloon has a volume of 2,387 m³. The density of the air outside the balloon is 1.176 kg/m³, and the density of the hot air inside is 0.887 kg/m3. How much weight can the balloon lift?
Q: The maximum Current in 0,19H inductor connecled an AC ge nera ler with a frequency To of 68 4z is…
A: Inductance (L) = 0.18 Henry Frequency (f) = 68 Hz MAximum current (i) = 0.18 A
Q: If you are planning to make an idea charger (step down transformer) with an output of 5.0V when it…
A: The required expression for the required ratio of output to input turns of coils is,
Q: List down 5 famous people who has a major contributions to Electromagnetism.
A: Following are the five famous people with great contribution in electromagnetism :- 1. André-Marie…
Q: What is the S.I unit of the propagation constant? [A] radian metre [B] radian per metre [C] radian…
A: The measure of the change in its amplitude and phase per unit distance is called the propagation…
Q: The generator of a car idling at 1100 revolutions per minute (rpm) produces 12.7V. To the nearest…
A: Given, Number of revolution, N1=1100rpm Number of revolution at the output side, N2 =2500rpm The…
Q: Fin dI,I2I3
A:
Q: In a high voltage transformer, when the reliability is tested, it has a 6 month reliability of 0.85…
A: Given that, The mean time between failures, t1=6 month The mean time between failures, t2=4 month…
Q: Q: A four pole self excited DC shunt generator ruining at 104,66 rad/s, supplies resistive load 18…
A:
Q: At what dislance is the KE. Of paulticle . af performing SHM. 'amplilāde locm, three Times is…
A: Have a look
Q: In a purely inductive circuit,the opposition to the flow of alternating current is called inductive…
A: True The opposition to flow for current affered by the electrical circuit is call its electrical…
Q: Derive the self-inductance for a rectangular toroid
A:
Q: Prob.19. Find the load impedance Zz so that maximum power can be transferred to it in the circuit as…
A:
Q: why must the correct polarity be known when connecting equipment to a voltage source?
A: Most multimeters, including digital multimeters, can do this. Regarding alternating current in the…
Q: A Coinof WIRA HAs 1000 TURN, AND IS IO cm LONGITS DIAMETER Is 4 came WHAT 15 ITS INDUCTANCE? IT's…
A: Using the formula of inductance
Q: Find du the rate at which the energy density is changing inside the solenoid at time t = 0.279 s, in…
A:
Q: Why do solenoids make the magnetic field stronger?
A: solenoids make the magnetic field stronger
Q: Plz do it
A: Given that,The voltage of the secondary winding, Vs= 110 VoltPrimary Voltage, VP= 5.0 kVWe know the…
Q: Aparn working near the secondary of a transformera shown in the figure below The primary voltage is…
A:
Q: A Step up tuansformer operates on a 2001e line. The ratio is of primary & secondary winding is 1:20.…
A: To find-Secondary voltage (es)=?Primary current (Ip)=?Power consumed (Po)=?Given-ep=200…
Q: (II) The generator of a car idling at 1100 rpm produces12.7 V. What will the output be at a rotation…
A: Given: The generator of a car idling at 1100 rpm E1 = 12.7 V To determine: the output is at a…
Q: Calculate the voltage output by the secondary winding of a transformer if the primary voltage is 350…
A: Given data: 350 V is the voltage across the primary winding. The principal winding has 355 turns in…
Q: 102. A 12 H in rate must the cu in the inductor?
A: Since there are multiple questions posted, we will answer the first question for you. If you want…
Q: Verify, as was concluded without proof , that units of T ⋅ m2 / A = Ω ⋅ s = H .
A: Starting from the unit Henry,
Q: How does low friction make Maglev more efficient and able to travel at very high speed?
A: Given, Maglev is more efficient and able to travel at very high speed
Q: A 24300 / 300 volts, 62 hz, 147.6 KVA step down transformer has an induce emf of 3 volts per turn.…
A:
Q: Do induced magnets have poles in the same way that permanent magnets do?
A: Given, An induced magnet and a permanent magnet.
Q: I'm coming to London
A:
Q: 3. An air-core solenoid 50 cm long has 4000 loops wound on it. Compute B in its interior when a…
A:
Q: What is a magnetic domain?
A: A magnetic domain is a region within a magnetic material in which the magnetization is in a uniform…
Q: The mutual inductance between two unity coupled coils of 9 H and 4 H will be ?
A: Given two coils having, L1 = 9 H L2 = 4 H Unity coupled, K =1
Q: Why does maglev have low friction?
A: In Maglev, the bottom of the train and the tracks have magnets. So there is magnetic repulsion…
Q: List three phenomena that pertain to electromagnetism
A: Electromagnetic waves have properties of speed, wavelength, and frequency.
Q: If you move a bar magnet in the space near a coil of copper, what does this motion cause in the coil…
A: When magnet moves near the copper coil, there is flux change in the copper coil due to…
Q: Materials that have capability of becoming stronger magnets have low permiability and high…
A: Properties of strong magnets :
Q: The open-circuit voltage of 240 V and the full load secondary voltage of 230 V, then the %…
A: The voltage regulation measures variation in the secondary terminal voltage inside a transformer as…
Q: Write the function of (i) Transducer and (ii) Repeater in the context of communication system.
A: i. The transducer is an electronic device that is capable of transforming one form of energy into…
Q: Power is generated at 24 kV at a generating plant located56 km from a town that requires 55 MW of…
A: The generated power is Pgenerated=55 MW98.5%=55.838 MW The power loss in the transmission is…
Q: Calculate the voltage output by the secondary winding of a transformer if the primary voltage is 230…
A:
Q: How does a transformer keep the circuits oscillations going? And how can the frequency in a coil…
A: Given : To explain how does a transformer keep the circuits oscillations going? And how can the…
Do quickly, late response will be downvoted.
Step by step
Solved in 2 steps