12th Class Physics MCQS Alternating Current Online Test 3

direct-current-cannot-flow-through-3-a_-_capacitor,during-each-cycle-a-c-voltage-reaches-a-pack-value-3-a_-_twice,electro-magnetic-waves-are-produced-by-3-a_-_moving-charge,electromagnetic-waves-emitted-from-radio-antenna-are-3-a_-_transverse,electrons-vibrating-94-2-c-000-times-each-second-will-produce-radio-waves-of-frequency-3-a_-_94-k-hz,high-frequency-radio-wave-is-called-as-3-a_-_carrier-wave,if-io-is-the-peak-value-of-an-a-c-supply-then-its-rms-value-will-be-given-as-irms-3-a_-_i-3-csub-3-eo-3-c-2-fsub-3-e-2-f-3-f-2,if-the-frequency-of-a-c-supplied-is-doubled-then-the-capacitive-reactance-becomes-3-a_-_half,in-a-c-wave-form-2-c-negative-peak-is-obtained-at-the-phase-angle-of-3-a_-_270-c-2-b-0,in-a-resonancecircuit-of-frequency-1000-k-hz-with-inductor-of-5-m-h-2-c-the-capacitance-will-be-3-a_-_5-09-p-f,in-an-a-c-circuit-with-resistor-only-2-c-the-current-and-voltage-have-a-phase-angle-of-3-a_-_0-3-csup-3-eo-3-c-2-fsup-3-e,in-case-of-ac-through-resistor-v-and-i-are-3-a_-_at-0-3-csup-3-eo-3-c-2-fsup-3-e-with-each-other,in-case-of-capacitor-the-unit-of-reactance-is-3-a_-_ohm,in-frequency-modulation-2-c-which-factor-is-changed-3-a_-_frequeny-of-charge-carriers,in-modulation-2-c-low-frequency-signal-is-known-as-3-a_-_modulation-signal,in-pure-capacitor-a-c-circuit-2-c-the-current-i-and-charge-q-are-3-a_-_in-phase,in-r-l-c-circuit-the-energy-is-dissipated-in-3-a_-_r-only,in-r-l-series-circuit-phase-angle-is-given-by-3-a_-_3-f-3-dtan-3-f-1-3-flr,in-rlc-parallel-circuit-the-resonance-frequency-is-3-a_-_1-2-f-2-3-f-3-flc,in-rlc-series-circuit-2-c-at-resonance-frequency-x-3-csub-3-ec-3-c-2-fsub-3-e-and-x-3-csub-3-el-3-c-2-fsub-3-e-are-3-a_-_differ-by-a-phase-3-f-2-f-2,the-slope-of-q-t-curve-at-any-instant-of-time-gives-3-a_-_current,the-velocity-of-an-oscillating-charge-as-it-moves-to-and-fro-along-a-wire-is-3-a_-_changing,xl-is-low-for-low-frequency-f-2-c-but-xc-is-3-a_-_high