Physics 9702 a2 level - Study guides, Class notes & Summaries

Physics 9702 A2 Level Questions & answers

Absolute Zero - correct answer-The theoretical temperature at which the molecules of a substance have the lowest energy and hence the substance has minimum internal energy and no kinetic energy acoustic impedance - correct answer-product of density of medium and speed of sound in medium Activity - correct answer-The number of atoms of a radioactive substance that decay per unit time. amplitude modulation - correct answer-amplitude of carrier wave varies in synchrony with the displacement...

Alternating current equation - ANSWER-I = I0 sin ωt Define the rms value of an alternating current - ANSWER-equal to the steady direct current which converts electrical energy to other forms of energy at the same rate and conditions Irms = ? - ANSWER-I0/√2 Transformer equation - ANSWER-Vs/Vp = Ns/Np = Ip/Is Power loss equation - ANSWER-Ploss = I2R Types of rectification - ANSWER-Half-wave and Full-wave Define capacitance - ANSWER-charge stored per unit potential difference ...

Alternating current equation - I = I0 sin ωt Define the rms value of an alternating current - equal to the steady direct curent which converts electrical energy to other forms of energy at the same rate and conditions Irms = ? - I0/√2 Transformer equation - Vs/Vp = Ns/Np = Ip/Is Power loss equation - Ploss = I2R Types of rectification - Half-wave and Full-wave Define capacitance - charge stored per unit potential difference Capacitance equation for parallel plates - C = εA/d Functio...

Physics 9702 A2 Level Definitions

Physics 9702 A2 Level.

Alternating current equation - answer-I = I0 sin ωt Define the rms value of an alternating current - answer-equal to the steady direct curent which converts electrical energy to other forms of energy at the same rate and conditions Irms = ? - answer-I0/√2 Transformer equation - answer-Vs/Vp = Ns/Np = Ip/Is Power loss equation - answer-Ploss = I2R Types of rectification - answer-Half-wave and Full-wave Define capacitance - answer-charge stored per unit potential difference ...

Physics 9702 A2 Level Definitions (1)

Physics 9702 A2 Level Definitions