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
DIA [1.3K]
3 years ago
5

An ideal solenoid of length L, N windings, and radius b (L is much longer than b). A current I is flowing through the wire windi

ngs. If the length of the solenoid becomes twice as long (to 2L), but all other quantities remained the same, the magnetic field inside the solenoid will:
A. would remain the same.
B. would become twice as strong.
C. would become one half as strong.
Physics
1 answer:
umka21 [38]3 years ago
8 0

Answer:

B- would become twice as strong

You might be interested in
A 12-kg dog jumps up in the air to catch a ball. The dog's center of mass is normally 0.20 m above the ground, and he is 0.50 m
ad-work [718]

Explanation:

Given Data:

mass of dog = 12 Kg

dog's center of mass = 0.20m

length of dog = 0.50m

height of dog's jump = ?

Solution:

Work done of gravitational force = Gain in Potential energy

2.1 × mgΔh = mg (h - 0.1)

2.1 × (0.3 - 0.1) = (h - 0.1)

h = 0.52 m

5 0
3 years ago
Fiberglass insulation trap layers of air to prevent heat loss due to all but one that is
pochemuha

the answer is C. evaporation

7 0
3 years ago
Read 2 more answers
51. Suppose you measure the terminal voltage of a 3.200-V lithium cell having an internal resistance of 5.00Ω by placing a 1.00-
Tanya [424]

Explanation:

Given that,

Terminal voltage = 3.200 V

Internal resistance r= 5.00\ \Omega

(a). We need to calculate the current

Using rule of loop

E-IR-Ir=0

I=\dfrac{E}{R+r}

Where, E = emf

R = resistance

r = internal resistance

Put the value into the formula

I=\dfrac{3.200}{1.00\times10^{3}+5.00}

I=3.184\times10^{-3}\ A

(b). We need to calculate the terminal voltage

Using formula of terminal voltage

V=E-Ir

Where, V = terminal voltage

I = current

r = internal resistance

Put the value into the formula

V=3.200-3.184\times10^{-3}\times5.00

V=3.18\ V

(c). We need to calculate the ratio of the terminal voltage of voltmeter equal to emf

\dfrac{Terminal\ voltage}{emf}=\dfrac{3.18}{3.200 }

\dfrac{Terminal\ voltage}{emf}= \dfrac{159}{160}

Hence, This is the required solution.

5 0
3 years ago
Why construction is present near the bulb ​
vova2212 [387]

Answer:

The constriction causes the mercury column to break under tension, leaving a vacuum between the bottom of the column and that in the bulb, and the top of the column stays still at the position reached in the body - a "peak hold" system.

7 0
3 years ago
What is true of electrolytic cells but is not true of galvanic cells?
ira [324]
They are non-spontaneous 
8 0
3 years ago
Read 2 more answers
Other questions:
  • An object is 25.0 cm from the mirror, its height is 5.0 cm, and focal length is 8.0 cm. What is the distance from the image to t
    15·2 answers
  • Why are all machines not 100% efficient<br> A. Mass<br> B. Gravity <br> C. Friction <br> D. Distance
    12·2 answers
  • You are going to an outdoor concert, and you'll be standing near a speaker that emits 60 W of acoustic power as a spherical wave
    9·1 answer
  • The terminal velocity of a person falling in air depends upon the weight and the area of the person facing the fluid. Find the t
    8·1 answer
  • Examine the graph. Select the statement that best describes the energy change in the particles of a substance during melting.
    10·2 answers
  • 2. Why is an experiment called a controlled study?
    5·2 answers
  • An archer wishes to shoot an arrow at a target at eye level a distance of 50.0m away. If the initial speed imparted to the arrow
    13·1 answer
  • A 72.5-kg person is riding in a car moving at 20.5 m/s (assume this is the positive direction) when the car runs into a bridge a
    12·2 answers
  • __________ theory argues that city growth is generated by the pressure from the city center to expand outward. Expansion threate
    11·2 answers
  • When spray is applied to a car, the paint has a negative charge and the surface of the car has a positive charge. Some processes
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!