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
Neko [114]
3 years ago
11

A transformer supplies 60 watts of power to a device that is rated at 20 volts. The primary coil is connected to a 120-volt ac s

ource. What is the current I1 in the primary coil
Physics
1 answer:
Nataly [62]3 years ago
4 0

Answer:

I = 0.5 A

Explanation:

Given: P=60 Watts, Voltage supply V = 120 Volts (for primary coil)

Solution:

we have P = V I

⇒ I = P /V = 60 Watts / 120 Volts

I = 0.5 A

You might be interested in
Is the moon flat tell me if it it
QveST [7]
I don’t think it is flat
6 0
3 years ago
Read 2 more answers
Hi i just need some points and i want to give some to you
xz_007 [3.2K]

Answer:

ok thanks

Explanation:

8 0
3 years ago
Compared with the amount of current in the filament of a lamp, the amount of current in the connecting wire is A. definitely les
pashok25 [27]

Compared with the amount of current in the filament of a lamp, the amount of current in the connecting wire is

D. the same.

As per the rule, the amount of current in devices connected in series is equal. here in the given situation , the wire is in series with the filament. that is the reason that the current in filament and wire is same.

hence the correct choice is D)

8 0
3 years ago
Read 2 more answers
HELP!
dimaraw [331]
The radiations detected by Arno Penzias and Robert Wilson
were the original heat from the Big Bang.

Today, we call those waves the "Cosmic Microwave Background".

I'm not sure, but I think those guys were awarded a Nobel Prize in Physics
for that discovery.
7 0
3 years ago
Read 2 more answers
How well a student reads can most likely be effected by
Burka [1]
Their cognitive skills and their ability to learn
3 0
3 years ago
Other questions:
  • Activation Energy....
    5·1 answer
  • a 5.5 kg box is pushed across the lunch table.the net force applied to the box is 9.7 N.what is the acceleration of the box?
    11·1 answer
  • An example of Newton's third law of motion is...
    14·1 answer
  • In a ballistic pendulum experiment, projectile 1 results in a maximum height h of the pendulum equal to 2.6 cm. A second project
    14·1 answer
  • If the current is cut in half and the resistance is increased by a factor of three, how will the power be affected?
    6·1 answer
  • uppose an airline determines it can charge different prices to people traveling for business or emergencies and leisure traveler
    10·1 answer
  • Why is it not advisable to use small value of incident angle to carry out experiment
    7·1 answer
  • During a medical condition screening lung capacity testing is a standard procedure. True of false
    13·1 answer
  • The ground receives more light (heat) from the sun when:
    11·1 answer
  • A ball accelerate downward at 9.8 m/s2 with 1.7 of force. What is the mass of the ball?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!