Homework Answers
62)
number of water molecules = 1.81 * 1024
number of atoms in water a molecule = 2*1+1 =3
total number of atoms in the sample = 3 * 1.81 * 1024 =
5.43 * 1024
number of moles of atoms in the given sample = 5.43 *
1024/NA = (5.43
*1024)/(6.022*1023) =
9.02
Add Answer to:
With a magnetic flux of 30,000 mx through a area of 6 cm^2, what is the...
Help me solve this question asap 7. a) A magnetic flux of 4.0 x 10 Wb...
Help me solve this question asap
7. a) A magnetic flux of 4.0 x 10 Wb is maintained through a coil for 0.50 s Find the emf induced in this coil by this flux. b) The magnetic flux linkage through a coil of wire placed through a uniform magnetic field is 0.60 Wb. If the direction of magnetic field is reversed in 0.10 s, without changing its magnitude what is the average emf produced? c) A rectangular frame of 30...
What is the magnetic flux through each turn of the solenoid?
A solenoid has a diameter d = 1.5 cm, length l = 30.0 cm, and 440 turns.(a) Find the inductance of the solenoid.Inductance = .143 mH(b) If the current through the solenoid increases at a rate 730 A/s, what is the magnitude of the induced emf?Induced emf = .105 V(c) What is the magnetic flux through each turn of the solenoid when the current through it is 5.9 A?Magnetic flux = _____T·m^2I just need part three. Thanks!3.26e-7 is not the...
3.20 points - Magnetic circuit: A two-legged ferromagnetic core with relative permeability of 1500 is shown...
3.20 points - Magnetic circuit: A two-legged ferromagnetic core with relative permeability of 1500 is shown in the figure with its dimensions. Find the following: 1. Self and mutual inductances of the two windings with 400 and 300 turns. 2. What current will produce flux density of 1T in the core, if the first (left) winding with 400 turns is energized and the second winding is left open. 3. The rms voltage across the first winding, assuming the energizing source...
For this time, calculate the average magnetic flux through each turn of the inner solenoid. A...
For this time, calculate the average magnetic flux through each turn of the inner solenoid. A solenoidal coil with 27 turns of wire is wound tightly around another coil with 320 turns. The inner solenold is 22.0 cm long and has a diameter of 2.00 cm. At a certain time, the current in the inner solenoid is 0.130 A and is increasing at a rate of 1800 A/s Submit RequestAnswer Part B For this time, calculate the mutual inductance of...
A toroidal solenoid has 540 turns, cross-sectional area 6.80 cm^2, and mean radius 4.20 cm. Calcualte...
A toroidal solenoid has 540 turns, cross-sectional area 6.80 cm^2, and mean radius 4.20 cm. Calcualte the coil's self-inductance. If the current decreases uniformly from 5.00 A to 2.00 A in 3.00 ms, calculate the self-induced emf in the coil. Please help with this homework question. Thank you very much.
The magnetic flux through a coil of wire changes from 14 T·m2 to zero in a...
The magnetic flux through a coil of wire changes from 14 T·m2 to zero in a time of 0.25 s. What is the magnitude of the average voltage induced in the coil during this change? Round the final answer to the nearest whole number.
What is the magnitude of the magnetic flux (Pinitial) through the coil before it is rotated?...
What is the magnitude of the magnetic flux (Pinitial) through the coil before it is rotated? Express your answer numerically, in webers, to at least three significant figures. Constants View Available Hint(s) In a physics laboratory experiment, a coil with 220 turns enclosing an area of 12.2 cm2 is rotated during the time interval 3.70x10-2s from a position in which its plane is perpendicular to Earth's magnetic field to one in which its plane is parallel to the field. The...
A flux of 4.0 x 10^-5 ™^2 is maintained through a coil area 7.5 cm^2 for...
A flux of 4.0 x 10^-5 ™^2 is maintained through a coil area 7.5 cm^2 for 0.50 s. What emf is induced in this coil during this time by this flux?
a. A coil of wire with 209 circular turns of radius 3.10 cm is in a...
a. A coil of wire with 209 circular turns of radius 3.10 cm is in a uniform magnetic field along the axis of the coil. The coil has R = 41.5 Ω . At what rate, in teslas per second, must the magnetic field be changing to induce a current of 0.149 A in the coil? b. A closely wound rectangular coil of 90.0 turns has dimensions of 30.0 cm by 47.0 cm . The plane of the coil is...
A coil 5.0 cm in radius, containing 300 turns, is placed in a uniform magnetic field...
A coil 5.0 cm in radius, containing 300 turns, is placed in a uniform magnetic field that varies with time according to B(t)=0.5+0.5/t+0.5t Tesla. The coil is connected to a 200 Ω resistor and its n ̂ unit vector is collinear with B. A) What is the magnetic flux in Wb through the coil at t = 2 sec? B) What is the magnitude of the induced emf in V in the coil? C) What is the current in A...
Help me solve this question asap
7. a) A magnetic flux of 4.0 x 10 Wb is maintained through a coil for 0.50 s Find the emf induced in this coil by this flux. b) The magnetic flux linkage through a coil of wire placed through a uniform magnetic field is 0.60 Wb. If the direction of magnetic field is reversed in 0.10 s, without changing its magnitude what is the average emf produced? c) A rectangular frame of 30...
3.20 points - Magnetic circuit: A two-legged ferromagnetic core with relative permeability of 1500 is shown in the figure with its dimensions. Find the following: 1. Self and mutual inductances of the two windings with 400 and 300 turns. 2. What current will produce flux density of 1T in the core, if the first (left) winding with 400 turns is energized and the second winding is left open. 3. The rms voltage across the first winding, assuming the energizing source...
For this time, calculate the average magnetic flux through each turn of the inner solenoid. A solenoidal coil with 27 turns of wire is wound tightly around another coil with 320 turns. The inner solenold is 22.0 cm long and has a diameter of 2.00 cm. At a certain time, the current in the inner solenoid is 0.130 A and is increasing at a rate of 1800 A/s Submit RequestAnswer Part B For this time, calculate the mutual inductance of...
What is the magnitude of the magnetic flux (Pinitial) through the coil before it is rotated? Express your answer numerically, in webers, to at least three significant figures. Constants View Available Hint(s) In a physics laboratory experiment, a coil with 220 turns enclosing an area of 12.2 cm2 is rotated during the time interval 3.70x10-2s from a position in which its plane is perpendicular to Earth's magnetic field to one in which its plane is parallel to the field. The...
Most questions answered within 3 hours.
-
find the critical value associated with a right sided hypothesis of
the mean using a sample...
asked 1 hour ago -
Which of the following statements is true with respect to a
simple linear regression model?
a....
asked 1 hour ago -
The energy required to remove an electron from a surface of a
solid element is called...
asked 3 hours ago -
How would you train your employees to avoid risks of using
mobile devices?
asked 3 hours ago -
Assume Kw = 1.01 ✕ 10−14
For pure water, we can calculate [H3O+ ] = [OH...
asked 4 hours ago -
Suppose that on a temperature scale X, water boils at 203.0°X
and freezes at -105.7°X. What...
asked 5 hours ago -
BaS crystallizes in a cubic unit cell with S2- ions on each
corner and each face....
asked 6 hours ago -
A. 0≤P(Oi)≤10≤P(Oi)≤1 for each i
B. P(Oi)≤0P(Oi)≤0
C. P(Oi)=1+P(OCi)P(Oi)=1+P(OiC)
D. P(Oi)≥1P(Oi)≥1
If an experiment consists of...
asked 7 hours ago -
A battery has an emf of 9.20V and an internal resistance of 1.20
ohm. a)What resistance...
asked 7 hours ago -
The area of an elastic circular loop decreases at a constant
rate, dA/dt = −6.60×10−3 m2/s...
asked 8 hours ago -
The denaturation of proteins can be described by the
equilibrium
F⇌U
where F and U represent...
asked 10 hours ago -
Please answer what the maximum and minimum force is, and the
angle on the ion is...
asked 10 hours ago