31 True/False questions

capacitor → term for the maximum charge that a plate can hold

packing density → the physicist who experimented with electricity and magnetism and discovered electromagnetic induction independently of Faraday

opposes → An induced emf ____ the change inducing it.

rate, resistance → term for the maximum charge that a plate can hold

mutual inductance → term for the combined effect of both mutual inductance and selfinductance

seriesopposing combination → term for an arrangement in which selfinductance and mutual inductance have contrary effects

henrys → the unit of inductance

stepdown transformer → term for a transformer that increases voltage

stepup transformer → term for a transformer that increases voltage

transformer equation → term for a device for producing a fixed increase or decrease in voltage

ninetyfive → A welldesigned transformer transmits energy from the primary circuit to the secondary circuit with above _____ percent efficiency.

capacitance → term for the maximum charge that a plate can hold

dielectric strength → term for the factor by which capacitance is multiplied when a certain material is used as a dielectric

primary, secondary → If two coils in separate circuits are brought close together, changing current in the first (____) coil induces a current in the second (______) coil.

farad → the unit of inductance

house current → term for the heat generated by current when it passes through a resistance

rootmeansquare (rms) value → The effective value of an alternating current is regarded as equal to the direct current that would produce heat at the same average ___ in the same _____.

henry → Mutual inductance is measured in ____.

seriesaiding combination → term for an arrangement in which selfinductance and mutual inductance have contrary effects

inductor → term for a circuit element with the property of selfinductance

power → term for the time rate of work

dielectric constant → term for the factor by which capacitance is multiplied when a certain material is used as a dielectric

transformer → term for the time rate of work

joule heat → term for the heat generated by current when it passes through a resistance

microfarads, picofarads → Because they typically store only very small amounts of charge, capacitors usually have capacitances measured in _____ or _____.

area, closer together, dielectric → term that describes a material that reduces the voltage associated with a given state of charge

selfinductance → term for the tendency of a loop or a coil to oppose any change in current

Joseph Henry → term for the heat generated by current when it passes through a resistance

inductance → term for a circuit element with the property of selfinductance

dielectric → term for a circuit element with the property of selfinductance

selfinduced emf → term for the tendency of a loop or a coil to oppose any change in current