# Physics

with this one i'm confused i'm not sure if it's b or d

The current in a solenoid is changed from 1.1 A to 4.4 A. By what factor does the magnitude of the magnetic field inside the solenoid increase?

2

4

0.5

0.25

1.1/4.4= 0.25

0r

4.4/1.1= 4

1. 👍 0
2. 👎 0
3. 👁 156

## Similar Questions

1. ### SCIENCE

Which currents are cold and which are warm? North Equatorial current, Equatorial counter current, South equatorial current, Peru current, Florida current, Guinea current, and Falkland current. I have found out 11 others but not

asked by Pat on January 16, 2007
2. ### physcial science

What type of current is produced by a battery? A. parallel current B. alternating current C. direct current D. potential current

asked by sid on October 20, 2015
3. ### Science

You are in a speedboat on a river moving in the same direction as the current. The speedometer on the boat shows that its speed is 50 km/h. However, a person on the shore meansures the boat's speed as 57 km/h. How is this

asked by Trissy on March 20, 2008
4. ### English

1. A causal analysis essay discusses: predictions of the future based on current circumstances and past behavior. the effects of a past event. why events happened. All of the above i'm confused between C and D 2. in persuasive

asked by amy on August 15, 2013
5. ### Physics

Your lab partner says that a battery provides not a source of constant current, but a source of constant voltage. Do you agree or disagree and why? Also I am really confused with series and parallel circuits like when voltage,

asked by rebekah on April 14, 2012
1. ### physics

I'm confused as how to find the current for a circuit with both parallel and series resistors? R1 = 2 Ù R2 = 5 Ù R3 = 11 Ù R4 = 10 Ù V = 7 V R2 and R4 are parallel, then these are in series with R3, then this whole system is

asked by c on February 15, 2009
2. ### As Physics

Please help and do it step by step all parts of questions and use: T = time(s) I=current (amps) Q=net charge on object (Coulombs) N=no electrons (and write if added or removed from object and how) E=elementary charge Two copper

asked by cylinder on January 4, 2018
3. ### physics

In a circuit L,C & R are connected in parallel . At any instant current through inductor is 0.8 A,current through capacitor is 0.4 A & current through resistor is 0.3A.what is the current delivered by ac source?

asked by hriday on December 30, 2008
4. ### Accounting

What is "loss of lawsuit" categorized as? Current/non-current assets, current/non-current liabilities, owners' equity, expenses or revenues?

asked by Steph on February 5, 2013
5. ### Physics

What is the direction of the net magnetic field at the point? I'll describe the figure here: Imagine a cartesian plane. At (0,y) is a wire carrying a current out of the screen. At (0, -y)is a wire carrying identical current out of

asked by anony mouse on March 11, 2010
6. ### physics

A current-carrying conductor experiences a force upward in a magnetic field that acts perpendicularly to and out of the plane of the paper. What is direction of the current in the conductor? Choose one answer. a. The current in