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
tatuchka [14]
2 years ago
15

If the resistance in a circuit connected to a constant current is halved, how is the voltage in the circuit affected?.

Physics
1 answer:
olga nikolaevna [1]2 years ago
5 0

Answer:

Voltage will be 1/2 original

Explanation:

V = I R        if  I  is constant

V = k R       now multiply both sides by  1/2

1/2 V  = k 1/2 R     <===== you can see the voltage is halved too

You might be interested in
What characteristic do the metals iron, nickel, and cobalt share?
Rzqust [24]
They are all conductors.
4 0
3 years ago
Read 2 more answers
The specific heat of oxygen is 3.47 J/gºC. If 750 J of heat is added to a 24.4 g
Nataly [62]

Answer:

304 K

Explanation:

3 0
3 years ago
A layer of oil (n = 1.38) floats on an unknown liquid. A ray of light originates in the oil and passes into the unknown liquid.
Vinil7 [7]

Answer:

Refractive index of unknown liquid = 1.56

Explanation:

Using Snell's law as:

n_i\times {sin\theta_i}={n_r}\times{sin\theta_r}

Where,  

{\theta_i}  is the angle of incidence  ( 65.0° )

{\theta_r} is the angle of refraction  ( 53.0° )

{n_r} is the refractive index of the refraction medium  (unknown liquid, n=?)

{n_i} is the refractive index of the incidence medium (oil, n=1.38)

Hence,  

1.38\times {sin65.0^0}={n_r}\times{sin53.0^0}

Solving for {n_r},

Refractive index of unknown liquid = 1.56

4 0
4 years ago
Sound is.....<br> A. matter<br> B. Vibration<br> C. potential energy<br> D. electromagnetic energy
Shkiper50 [21]
The answer is C. Potential energy  

(I learned this in class recently) 

3 0
3 years ago
How will a current change if the voltage in a circuit is held constant while the resistance doubles? 1. it's impossible to predi
laila [671]
According to Ohm's Law: 

I =  \frac{V}{R}

Where: V = Voltage
            I = Current
            R = Resistance

As you can see here, you can say that Current is directly proportional to Voltage and indirectly proportional to Resistance. This means that as the voltage increases, current increases and as the resistance increases, current decreases. 

So in your scenario, if the voltage remains the same, but the resistance is doubled, that means that the current will be halved. So the answer to your question is 2. the current will drop to half of its original value.
4 0
3 years ago
Other questions:
  • A particular molecule has a small molecular mass of approximately 1000 daltons. What should be done to make this molecule more a
    12·1 answer
  • Use Newton’s Universal Law of Gravitation to calculate the magnitude of the gravitational force between a 200 kg refrigerator an
    12·1 answer
  • Suppose you ride a bicycle and exert a force of 1000J, but the bicycle's output force is 200J. What is the efficiency of the bic
    11·1 answer
  • A source charge generates an electric field of 1236 N/C at a distance of 4 m. What is the magnitude of the source charge?
    7·2 answers
  • A weight lifter lifts a set of weights at a vertical distance of 2m. if a constant net force of 350N is exerted on the weights.
    5·1 answer
  • A 0.32 kg turntable of radius 0.18 m spins about a vertical axis through its center. A constant rotational acceleration causes t
    8·1 answer
  • The energy needed to ionize an atom of element X when it is in its most stable state is 500 kJ mol21. However, if an atom of X i
    6·1 answer
  • Carolyn then calls her friend Chilly from the Super Cool Republic, where they use a different system of units. On their scale, t
    8·1 answer
  • If the force applied to a cart
    12·1 answer
  • A 29.0 kg beam is attached to a wall with a hi.nge while its far end is supported by a cable such that the beam is horizontal.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!