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Q Give the differences between AF choke and RF choke.
Audio - frequency (A.F) chokes
Radio frequency (R. F) chokes: or high frequency (H.F) chokes
a) Used in low frequency a.c. circuit.
a) used in high frequency a.c. circuit
b) An iron core is used.
b) Air chokes are used.
c) The inductance may be high
c) The inductance may be low
d) Used in fluorescent tubes.
d) Used in wireless receiver circuits
composition of two simple harmonic motions at right angles to each other and having time periods in the ratio 1:2
Tuned oscillator
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why newtons 2nd law is called the real law of motion?
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