Question

a) How are voltage, current and resistance of a circuit related? b) What is an electric...

a) How are voltage, current and resistance of a circuit related?

b) What is an electric field?

c) What is a magnet?

d) What is a magnetic field?

please type your responses.

Homework Answers

Answer #1

in DC circuit, Ohm's law related voltage, current and resistance as,

V= IR

The voltage across the resistor is directily proportional to the current passing through the resistor.

(b)

the space around a electric charge or object within which a force would be exerted on other charged particles or objects is called electric field

(c)

magnet is a piece of iron or other material which has its component atoms so ordered that the material exhibits properties of magnetism, such as attracting other iron-containing objects or aligning itself in an external magnetic field.

(d)

the space around a magnetic material or a moving electric charge within which the force of magnetism acts is called magentic field .

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
How is electric and magnetic fields related to the current in the wire. Why is the...
How is electric and magnetic fields related to the current in the wire. Why is the electric field in phase with the magnetic field?
(a) You have an RLC circuit. You are given resistance, inductance, capacitance, and voltage. What equation...
(a) You have an RLC circuit. You are given resistance, inductance, capacitance, and voltage. What equation would you use to find the power dissipated and how would you solve for it? (b) There is a star with light at a given wavelength, a particular spectral line. You are given wavelength of light in the laboratory, the wavelength of light received from the star, and/ or the speed. What equation would you use to find how fast is the star moving...
Explain how electric and magnetic fields are related to the current in the wire. Why is...
Explain how electric and magnetic fields are related to the current in the wire. Why is the electric field in phase with the magnetic field?
25. Around any electron in motion we have a. electric field. b. magnetic field. c. both...
25. Around any electron in motion we have a. electric field. b. magnetic field. c. both fields.    26. The lines of magnetic field generated by a current passing: a) are in the direction of the current b) are opposite to the direction of the current c) leave the cable radially OR are concentric circles around the cable 27. A field____can act on a moving electric charge. a. electric b. magnetic. c. both of them. 28. A magnetic field does...
(a) The peak current measured in an AC circuit is 20 mA. Calculate the peak voltage...
(a) The peak current measured in an AC circuit is 20 mA. Calculate the peak voltage across and RMS current through a 450 ohms resistor that is in the circuit     (5 points)                                                                                                                                                                                                                                                                                                                                  (b)  A 6.0 cm long wire carrying a current of 5.0 A is placed in a magnetic field experiences a force of 0.0225N when the angle between the wire and the magnetic field is 30 degrees. Calculate the force on the wire when the magnetic field is perpendicular to the...
[Series circuit analogue: RLC circuit with nonzero resistance R and nonzero voltage E(t) as forcing function...
[Series circuit analogue: RLC circuit with nonzero resistance R and nonzero voltage E(t) as forcing function is analogous to a forced damped spring/mass system.] Consider the RLC circuit with inductance L = 8 henrys, resistance R = 16 ohms, capacitance C = 0.025 farads, and voltage E(t) = 17 cos 2t volts. (a) Find the current in the circuit for t > 0, given that at time t = 0 the capacitor is uncharged and there is no current flowing....
An RLC circuit consists of an alternating voltage source with RMS voltage 12 V and frequency...
An RLC circuit consists of an alternating voltage source with RMS voltage 12 V and frequency 70 Hz, a 200 Ohm resistor, a 1.2 H inductor, and an 800 nF capacitor, all wired in series. a)  What is the inductive reactance of the circuit? b)  What is the capacitive reactance of the circuit? c)  What is the impedance of the circuit? d)  What is the RMS current in the circuit? e)  If the frequency is adjustable, what frequency should you use to maximize the current...
The AC voltage in a resonant LC circuit (the resistance, R is considered to be zero)...
The AC voltage in a resonant LC circuit (the resistance, R is considered to be zero) is given as V(t)=120 cos (80 t). Assume that L=0.1 H and C=0.001 F. The value of the magnetic energy stored in the inductor (UL) when the charge on the plates of the capacitor is one fourth of the maximum charge value that the plate can hold is what ?
5. You have a solenoid-shaped inductor.It is connected to a circuit with an alternating current supply....
5. You have a solenoid-shaped inductor.It is connected to a circuit with an alternating current supply. At a particular moment, the current in the circuit is 1.5 Amps and is decreasing by 0.4 Amps/sec. The inductor has a resistance of 3 Ohms. (20 points) (a) If the inductor stores 0.855 J of energy at this moment, what is its inductance? (b) What is the voltage difference measured across the inductor at this moment? (c) If the radius of the coils...
An RLC Circuit has an AC power supply that generates a voltage of Ɛ = 15.0...
An RLC Circuit has an AC power supply that generates a voltage of Ɛ = 15.0 cos(600?) volts. The capacitor has a capacitance of 4.00x10-4 F, the inductor an inductance of 2.50x10-3H, and the resistor has a resistance of 2.5Ω. a. What is the impedance, Z, of the circuit? b. What is the maximum value of the current? c. What is the maximum voltage over the capacitor? d. What is the phase difference between the generator voltage and the current...