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
FromTheMoon [43]
2 years ago
14

An inductor and a resistor are connected in series. When connected to a 60-Hz, 90-V (rms) source, the voltage drop across the re

sistor is found to be 51 V (rms) and the power delivered to the circuit is 17 W. (a) Find the value of the resistance.
(b) Find the value of the inductance.
Physics
1 answer:
mote1985 [20]2 years ago
6 0

Answer:

resistance = 154.54 ohm

inductance is 59.60%

Explanation:

given data

frequency f = 60 Hz

V rms = 90 V

V rms =51 V

power P = 17 W

to find out

resistance and inductance

solution

we will apply here power formula here to find current I

power = I ( Vrms)

I = 17 / 51 = 0.33

current I = 0.33 A

so resistance formula is

resistance = V / I

resistance = 51 / 0.33

resistance = 154.54 ohm

and

we know inductance L formula

x = 2πfL

so L = x / 2πf   ................a

we know

x = √(Z² - R²)

x = √((90/0.33)² - (154.54²))

x = 224.71

so from equation a

L = 224.71 / 2π(60)

L = 0.5960

so  inductance is 59.60%

You might be interested in
When you float an ice cube in water, you notice that 90% of it is submerged beneath the surface. Now suppose you put the same ic
Gwar [14]

Answer:

option (c)

Explanation:

90% of the body is submerged in water.

Now it is immersed in an unknown liquid whose density is less than the density of water.

Buoyant force acting on the body depends on the volume immersed, density of liquid and gravity.

As the density of liquid is less than the density of water, so the buoyant force acting on the body by the unknown liquid is less than water. So it is submerged less than 90% in this liquid.

6 0
3 years ago
Developed countries typically have _______.
Anna35 [415]

Answer:

Good government

Explanation:

Many people will think its natural resources but its not. Africa is a proof. They have resources but leadership is what makes most of their countries 3rd world. #BADGOVERNANCE

8 0
2 years ago
Summers are caused by
alexandr1967 [171]

it is A hope it is useful.

4 0
3 years ago
Read 2 more answers
When the voltage is at a maximum positive value, the current is at a value that is_________.
alukav5142 [94]

Answer:

When the voltage is at a maximum positive value, the the current is at a value that is maximum and positive

Explanation:

We know that the relation between the Voltage and the current is given using the Ohm's law, which states that the voltage (V) is directly proportional to the current (I)

Mathematically,

V ∝ I

Hence,

When the voltage is at a maximum positive value, the the current is at a value that is maximum and positive

4 0
2 years ago
When U-235 splits, it usually emits
Serga [27]
Splitting<span> atoms. 'Fission' is another word for </span>splitting<span>. The process of </span>splitting<span> a nucleus is called nuclear fission. ... For fission to happen, the </span>uranium-235<span> or plutonium-239 nucleus must first absorb a neutron.</span>
5 0
3 years ago
Other questions:
  • The distance between the first and fifth minima of a single-slit diffraction pattern is 0.350 mm with the screen 39.0 cm away fr
    12·1 answer
  • How do I find the net force=mass• acceleration with 9kg and 3 acceleration??
    9·2 answers
  • A surface is bombarded by particles, each of mass small 'm', which have velocity
    5·1 answer
  • Natural selection is part of which step of speciation? *
    12·2 answers
  • Suppose you heat a liquid and then bubbles are produced. With no other evidence, can you tell whether a physical or chemical is
    7·1 answer
  • All of the celestial bodies of the solar system were said to have formed from -a nebular cloud of dust and gas -the protostar -d
    5·2 answers
  • The transmission of heat requiring the movement of a liquid or a gas is
    11·1 answer
  • El problema de 839 ÷ 37755​
    8·2 answers
  • In a double-slit experiment, the second-order bright fringe is observed at an angle of 0.61°. If the slit separation is 0.11 mm,
    10·1 answer
  • A moving car initially has kinetic energy K. The car then moves in the opposite direction with four times its initial speed. Wha
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!