1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
hram777 [196]
3 years ago
9

65. A length of wire is bent into a closed loop and a magnet is plunged into it, inducing a voltage and, consequently, a current

in the wire. A second length of wire, twice as long, is bent into two loops of wire, and a magnet is similarly plunged into it. Twice the voltage is induced, but the current is the same as that produced in the single loop. Why
Physics
2 answers:
natulia [17]3 years ago
6 0

Answer:

Resistance of the second wire is twice the first wire.

Explanation:

Let us first see the formula of resistance;

R = pxL/A

Here L is the lenght of the wire, A the area and p is the resistivity of wire.

As we are given that the length of second wire is double than that of the first wire, hence the resistance of second wire would be double.

Since we have two loop in second case, inducing double voltage but as resistance is doubled so the current would remain same according to ohms law

I = V/R

OLga [1]3 years ago
6 0

Answer:

The resistance of the second wire is two times that of the first wire. Even though the voltage doubles, current still remain the same.

Explanation:

The voltage induced is directly proportional to the number of loops of the wire. Resistance is directly proportional to the length of the wire as long as all other parametersare constant in the formula R=PL/A. The second wire has twice the length and twice the number of turns than the first wire.

You might be interested in
What colors are in a 24 pack of crayola crayons?
Xelga [282]
Blue puprle white gold organs yellow red gray brown green pink black tan light blue
3 0
3 years ago
If spring has a spring constant of 500 N/m and is stretched .50 meters,how much energy is stored in the spring ((show work for f
Free_Kalibri [48]

Answer:

The energy stored is: 62.5 Joules

Explanation:

Given

k = 500N/m --- spring constant

x = 0.5m --- stretch

Required

The amount of energy

This is calculated as:

U = \frac{1}{2} kx^2

U = \frac{1}{2} * 500N/m * (0.5m)^2

U = 250N/m * (0.5m)^2

U = 62.5\ J

7 0
2 years ago
If this combination of capacitors is attached to a 9 v battery how much energy will be stored on the plates 25 15
Vlad1618 [11]

The energy stored on the plates will be 378.5 J. The combination of capacitors is in series.

<h3>What is a capacitor?</h3>

A capacitor is a device that can store electrical energy. It is a two-conductor configuration separated by an insulating medium that carries charges of equal size and opposite sign.

An electric insulator or vacuum, such as glass, paper, air, or a semiconductor termed a dielectric, can be used as the non-conductive zone.

The complete question is;

"If this combination of capacitors is attached to a 9.00 V battery; how much energy will be 25 μF 15 μF stored on the plates?"

If the two capacitors are in series the equivalent capacitance will be;

\rm \frac {1}{C} = \frac{1}{C_1}+\frac{1}{C_2} \\\\ \rm \frac {1}{C} = \frac{1}{25}+\frac{1}{15} \\\\ C = 9.375

Energy will be stored on the plates;

\rm E = \frac{1}{2}CV^2 \\\\ E= \frac{1}{2} \times 9.375 \mu F \times ( 9 \ V)^2\\\\E = 378.5 \ J

Hence the energy stored on the plates will be 378.5 J.

To learn more about the capacitor, refer to the link: brainly.com/question/14048432.

#SPJ1

4 0
2 years ago
Hello guys sana ok lng kau​
erica [24]

sssssssssssss

Explanation:

3 0
3 years ago
Read 2 more answers
He change in pitch due to a moving wave source is called ______.
Studentka2010 [4]
B) the Doppler effect
7 0
2 years ago
Other questions:
  • Please Help Me with This
    15·1 answer
  • Steel blocks A and B, which have equal masses, are at TA = 300 oC and T8 = 400 oC. Block C, with mc - 2mA, is at TC = 350 oC. Bl
    13·1 answer
  • The final stages of a star's life depend on its mas. true or false?​
    9·1 answer
  • Which moon has a thick atmosphere made mostly of nitrogen?
    6·1 answer
  • A sample of chlorine has two naturally occurring isotopes. The isotope Cl-35 (mass 35.0 amu) makes up 75.8% of the sample, and t
    7·1 answer
  • How electromagnet works in circuit breaker
    12·1 answer
  • Complete the wording of the Law of Conservation of Matter and Energy (as defined in the text).
    11·1 answer
  • Wat would happen if a feather and a ball were released from the same height at the same time? Gravity Experiments for Kids – Sci
    11·1 answer
  • Which red line shows the same action spectrum corrected for the unequal number of photons emitted across the visible spectrum?.
    5·1 answer
  • a ball is shot from the ground straight up into the air with initial velocity of 50 50 ft/sec. assuming that the air resistance
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!