8. Electrons in AC keep changing its direction. 9. Electrons in DC is stationary. 10. AC has no frequency.

Q: 7. A pair of power transmission lines each have 2.25-2 resistance and carry 800 Amp. If the primary…

A: A pair of power transmission lines each have 2.25 ohms resistance and carry 800 amp. If the primary…

Q: 2. Given four resistors with resistances equal to 2, 3, 8 and 12 , sketch an arrangement using all…

A:

Q: 10. Still referring to the previous setup, what happens to the voltage drop across R3 as I turn down…

A:

Q: 4. Find the current in and potential difference across each of the resistors in the following…

A:

Q: An electric current that consistently flows in one direction is a. alternating current (AC). b.…

A: Given : (a) Alternating Current (AC) (b) Direct current (DC) (c) Output Voltage Required : Which is…

Q: Two coils are placed close together in a physics lab to demonstrate Faraday’s law of induction. A…

A:

Q: 19. A device obeying Ohm's law must have resistance which is: a. Zero. b. Proportional to current,…

A: A device obeying Ohm's law must have constant resistance.   According to Ohm's law:-…

Q: dissipated

A: Resistance =30 Current = 2 Energy needs to be find out.

Q: 4. Draw a simple electric circuit with two resistors connected in parallel to a 1.5v battery. Label…

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Q: 21. Which bulb (or bulbs) could burn out without causing other bulbs in the circuit to also go out?…

A: Option c is the right answer  Il and lV independently  ll. Bulbs B and C IV. Bulb D only

Q: A. Tools and Materials 1. Lamp with resistance 10.8 ohm and 9 ohm 2. Cable 3. Power Supply 4.…

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Q: What happens if you have three light bulbs in parallel and you disconnect one of them?

A: Given: three light bulbs in parallel   and one is disconnected of them

Q: A vertical narrow tube carries continuous flows of 101 protons per second upwards and 10²3 electrons…

A: The number of electrons that flow downwards is, ne=1023/s. The number of protons that flow upwards…

Q: 9. What is the value of the peak voltage for 120 V AC power? What is the peak power consumption rate…

A:

Q: 17. A transformer that's used with a doorbell has a fixed output of A. 1 V. B. 10 V. C. 60 V.…

A: Its a very simple question . and to ans these question we just need some common sense and not any…

Q: 3. A 15-W motor draws a current of 1.25 A. What is the voltage impressed across the circuit? vog…

A: We know  P=V×IWhere P=Power measured in watts(w), I=Current measured in amps(A),V= Voltage measured…

Q: 9. For a DC circuit consisting of a 5 ohm resistor and 2 volt battery, how much power is converted…

A: Resistance (R) = 5 ohm Voltage of the battery (V) = 2 volts

Q: What is Faraday’s law? Explain with a diagram. What is Lenz’s law? Explain with a diagram

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Q: 2.A stove element draws 15 A when connected to a 240-V line. How long does it take to consume 60 kJ?

A: Electric Power: Electric power is defined as the transfer of electrical energy over a unit time. it…

Q: 1. Calculate the period and angular frequency of 30 Hz electrical power. Period, T: VS Angular…

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Q: 4. Derive the power dissipated in a resistor when then there is a voltage across it, V, and a…

A: The energy of a charge in potential V is, Now the power is the rate of work being done, i.e. time…

Q: 3. Kirchhoff's voltage laws tell us that (1) At any node (or junction), the sum of currents flowing…

A: Kirchhoff's Voltage Law: According to this law, the total voltage drop across the closed loop is…

Q: 7. Compare the resistance of a 1.5-A interior light bulb of a car (operating off a 12-V battery) to…

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Microscopic view of current

In physics, the term current is expressed as the rate of flow of electric charges across the area per unit time (I=q/t). It propagates along in the direction of the motion of positive charges. When the current is caused by the motion of electrons, the direction of the current is opposite to the flow.