Hall Voltage The Hall voltage is a product of the Hall effect Hall voltage is defined as: The potential difference produced across an electrical conductor when an external magnetic field is applied...
Calculating Magnetic Force on a Moving Charge The magnetic force on an isolating moving charge, such an electron, is given by the equation: F = BQv sinθ Where: F = force on the charge (N) B =?magne...
Magnetic Flux Density Definition The magnetic flux density?B?is defined as: The force acting per unit current per unit length on a current-carrying conductor placed perpendicular to the magnetic fi...
Fleming's Left-Hand Rule The?direction?of the force on a charge moving in a?magnetic field?is determined by the direction of the magnetic field and the current Recall that the direction of the curr...
Force on a Current-Carrying Conductor A current-carrying conductor produces its own?magnetic field When interacting with an external magnetic field, it will experience a?force A current-carrying co...
Magnetic Field Definition A magnetic field is a?field of force?that is created either by: Moving?electric charge Permanent?magnets Permanent magnets are materials that produce a magnetic field A st...
The Time Constant The time constant of a capacitor discharging through a resistor is a measure of how long it takes for the capacitor to discharge The definition of the time constant is: The time t...
Capacitor Discharge Graphs So far, only capacitors charged by a battery have been considered This is when the electrons flow from the positive to negative plate At the start, when the capacitor is ...
Calculating Energy Stored in a Capacitor Recall the?electric potential energy is the area under a potential-charge graph This is equal to the?work done?in charging the capacitor to a particular pot...
Area Under a Potential–Charge Graph When charging a capacitor, the power supply pushes electrons from the positive to the negative plate It therefore does?work?on the electrons, which increase thei...
Capacitors in Series & Parallel Recall the formula for the combined?capacitance?of capacitors in series: In parallel: Ctotal?= C1?+ C2?+ C3 ... Worked Example Three capacitors with capacitance ...
對于出國留學(xué)的學(xué)生們而言，美國是現(xiàn)階段大部分學(xué)生的留學(xué)目標(biāo)國家，因?yàn)槊绹诮逃矫媸鞘澜珙I(lǐng)先的，專業(yè)設(shè)置也是非常的豐富。美本申請的時(shí)候可以不確定專業(yè)，但一定要說明自己要申請哪個(gè)學(xué)院。那么美國大學(xué)學(xué)...
