Why we are sometimes asked to switch off our mobile phones on airplanes and in hospitals?
Q: Q21 i) List any two applications of L.C.R. Circuits.
A: L.c.r. stands for inductance ,capacitance and resistance . When these three joined together in a…
Q: Is it true that the sum of the voltages in a parallel circuit's loop equals zero? Give a brief…
A:
Q: Using a constant 4.5 V source, three bulbs, wires, and a single throw switch design a circuit that…
A: For the bulb A to remain on independent of the switch position, it should be directly connected to…
Q: 01 / Calculate the amount of electric current and power consumed per kilowar hour due to the…
A: Given: The number of electric lamps is 8. The power (P) of each electric lamp is 100 W. The ac…
Q: In HERTZ (rounded to 3 sig figs), approximately how frequently does this 1) device cycle through the…
A: Here we have given a differential equation of current.We have to study about the nature & other…
Q: How do the currents 1₁, 12, and 13 compare?
A: GivenR1=20 ΩR2=25 ΩR3=60 Ω
Q: D) Explain what this experiment demonstrates about the electrical conductivity of the various…
A: Values for plastics typically range from 1010 Ω-cm for Cellulose Acetate to about 1019Ω-cm for a…
Q: When applying the loop rule, what do you get when you cross a circuit element that has resistance? A…
A:
Q: 20 - The second Kirchhoff's rule state that the sum of the potential differences across all elements…
A: Kirchoff's laws are a set of laws in current electricity. The law of junctions: sum of all current…
Q: resistance and voltage
A:
Q: At this average price, calculate the cost of drying a load of clothes in 40.0 min in a 6.00 103-W…
A:
Q: Why does alternating current work so well for wireless charging and induction stoves?
A: solution is given as
Q: The cost of energy delivered to residences by electrical transmission varies from $0.070/kWh to…
A: The Energy delivered to an electric device: The energy delivered to an electric device is equal to…
Q: 5. Suppose the following circuit is left open for a long time. 24 VT 5000 Ω 80 mF (e) what is the…
A:
Q: Small household electrical devices, such as vacuum cleaners, televisions, and floor lamps, each draw…
A: In series combination, the current is the same while the voltage is different across the circuit…
Q: Small household electrical devices, such as vacuum cleaners, televisions, and floor lamps, each…
A: There are two ways to connect electrical circuits, 1. Series connection For a series circuit the…
Q: A hand-cranked generator can be connected to a number of light bulbs via a switch. Is it easier to…
A: If the switch is closed or open during the turning of the handle of the generator there will be…
Q: ower transmission lines have transformers between the high voltage supply lines and the consumer…
A: The primary reason that power is transmitted at high voltages is to increase efficiency. As…
Q: A total current I flows through the networks of resistors shown in the figure. In which of the…
A: Resultant resistance of the array
Q: What is the power rating of the hair dryer in watts? [Select] Depending on the application, the time…
A:
Q: The cost of energy delivered to residences by electrical transmission varies from $0.070/kWh to…
A: Given data : The cost of energy delivered to residences by electrical transmission varies from…
Q: The use of higher-voltage lines in homes—say, 600 V or1200 V—would reduce energy waste. Why are they…
A: To determine: To determine and to explain why higher voltage lines are not used in homes
Q: 18: In the circuit shown, e-10 V and the capacitor is initially uncharged. If the switch S is closed…
A: The supply voltage of the circuit is given as, ε=Vs=10 V, The resistance of the resistor is given…
Q: A student claims when they use their space heater and hairdryer at the same time, the power for the…
A: When both space heater and hairdryer are ON at the same time,the power of the same time the power…
Q: R1 1kn R2 V1 12V R3 1kn V1 12V R2 2KN R4 1kn R5 1k b)
A: Ohm's Law gave us a relationship between the Voltage and the Current flowing through the circuit.…
Q: The voltage across a solenoid is shown in the figure, measured by an oscilloscope. What would be the…
A: Peak value of voltage as shown by graph is 40 mV That is, Vpeak = 40 mV
Q: A 2.00-nF capacitor with an initial charge of 5.96 µC is discharged through a 1.89-kN resistor. (a)…
A: Given data: Capacitance C=2.00 nF Charge q=5.96μC Resistor R=1.89 kΩ
Q: A Lamp load consist of 30-100 Watts Lamp each taking rated power from 120 volts supply. What will be…
A: Given data: The number of lamps is, N= 30 The power consumed by each lamp load is, P= 100 W The…
Q: Consider these three circuits. 100 Hz 100 Hz 50 Hz 2 µH 1 µH C 4 pµH 1 Rank in order, from largest…
A: Given that: Peak voltage = εo L1=2μHL2=1μHL3=4μHf1=100 Hzf2=200 Hzf3=50 Hz
Q: In view of the small currents that cause shock hazards and the larger currents that circuit breakers…
A: Fuses and circuit breakers work on the principle of heating of electric current.
Q: Before working on a power transmission line, linemen will touch the line with the back of the hand…
A: The body muscles gets contracted when high voltage passes through a human body. This contraction…
Q: Attached is the picture with the question on it, but here are the questions typed out if its hard to…
A:
Q: Why is the power dissipated by a closed switch, such as in Figure 21.43, small?
A: The current dissipated by the open switch can be expressed in terms of voltage V, resistance…
Q: True or false: in a typical Canadian household, all of the appliances, such as dishwashers and…
A: Answer: False
Q: When working on a piece of equipment, electricians and electronics technicians sometimes attach a…
A: Now days maximum electronics devices consist capacitor in it. And we know that capacitor can store…
Why we are sometimes asked to switch off our mobile phones on airplanes and in hospitals?
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