few volt

few milivolt

few nanovolt

few kilovolt

Magnetic flux density

electromagnetic wave

Current

induced emf

True

False

it can used to determine unknown magnetic field

identify the type of semiconductor used

to determine the amount of current that flow through the conductor

it can used as Hall probe

 $V_H=\frac{In}{tBq}$  

 $V_H=\frac{BIn}{tq}$  

 $V_H=\frac{IB}{qtn}$  

 $V_H=\frac{BI}{nqt^2}$  

 $V_H=\frac{IB}{ntq^2}$  

F = (current, I) x (length,l) x (magnetic field,B)

F = (current,I) x (length,l) x (velocity,v)

F= (magnetic field, B) x (velocity,v) x (charge,q)

F= (magnetic field,B) x (velocity,v) x (length,l)

$E\ =\ \frac{V}{d}$

$F\ =qE$

$F\ =qvB$

$I=nAqv_d$

$v_d=\frac{E}{B}$

Capacitance effect

Hall effect

Resistance effect

Photoelectric effect