The statements true concerning the strips with a positive versus a negative hall voltage are a and d.
<h3>
What is hall voltage?</h3>
The hall voltage is the potential created across a current-carrying metal-strip when the strip is placed in a magnetic field perpendicular to the current flow in the strip. it is used as a research tool to probe the movement of charges in materials, as well as determining the blood flow rate.
The top strip possess positive charge carriers, and the electric field points are in the same direction as the electric force.
The bottom strip has negative charge carriers, and the magnetic force points upward along the plate.
This will create an equilibrium of the magnetic force and electrostatic force.
Thus, the correct option are a and d.
Learn more about hall voltage.
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Answer:
Explanation:
We are given that
Current,I=2.85 A
Length of segment=l=2.35 m
d=0.275 m
We have to find the magnitude of magnetic field due to this segment of wire at a point P which is at midpoint of the straight wire.
Magnetic field,B=
Where
Using the formula
Answer:
d
Explanation:
this is just common sense, why did you even need to ask?
<u>Answer</u>
48 Volts
<u>Explanation</u>
The question can be solve using the turn rule of a transformer that states;
Np/Ns = Vp/Vs
Where Np ⇒ number of turns in the primary coil.
Ns ⇒number of turns in the seconndary coil
Vp ⇒ primary voltage
Vs ⇒secondary voltage
Np/Ns = Vp/Vs
10/4 = 120/Vp
Vp = (120 × 4)/10
= 480/10
= 48 Volts
I think the answer is c. but I think it depends on how many zebras you have