12th Class Physics MCQS Alternating Current Online Test 5

the-basic-circuit-element-in-a-d-c-circuit-which-controlled-the-current-and-voltage-is-3-a_-_resistor,the-basic-circuit-elements-in-a-d-c-circuits-is-3-a_-_resistor,the-circuit-which-compares-the-two-voltages-is-3-a_-_sensor,the-combined-effect-of-resistance-and-reactance-is-knows-as-3-a_-_impedance,the-device-which-allows-only-the-continuous-flow-of-ac-through-it-is-3-a_-_capacitor,the-expression-p-3-d-vi-holds-only-when-current-and-voltage-are-3-a_-_in-phase,the-flow-of-d-c-current-is-opposed-by-3-a_-_capacitor,the-frequency-of-a-c-sources-used-in-pakistan-is-3-a_-_50-hz,the-highest-value-reached-by-the-voltage-or-current-in-one-cycle-is-called-3-a_-_peak-value,the-impedance-of-rlc-series-circuit-at-resonance-is-given-by-3-a_-_z-3-d-3-fr-3-csup-3-e-2-3-c-2-fsup-3-e-2-bx-3-csup-3-e-2-3-c-2-fsup-3-e-3-csub-3-ec-3-c-2-fsub-3-e,the-impedance-z-can-be-expressed-as-3-a_-_z-3-dv-3-csub-3-erms-3-c-2-fsub-3-e-2-fi-3-csub-3-erms-3-c-2-fsub-3-e,the-main-use-of-a-c-is-3-a_-_long-distance-transmission,the-mean-value-of-a-c-in-a-cycle-is-3-a_-_0,the-most-common-source-of-an-a-c-voltage-is-3-a_-_generator,the-output-voltage-of-an-a-c-generator-at-time-t-3-dt-4-is-given-by-3-a_-_v-3-d-vo-4,the-peak-value-of-a-c-source-is-20-a-2-c-then-its-rms-value-will-be-3-a_-_14-1-a,the-phase-angle-of-a-series-rlc-circuit-at-resonant-frequency-is-3-a_-_zero,the-phase-of-a-c-at-positive-peak-from-origin-is-3-a_-_3-f,the-power-factor-in-a-c-circuit-is-3-a_-_cos-3-f,the-power-factor-of-rl-series-circuit-is-3-a_-_1,the-unit-odf-impedence-is-3-a_-_ohm,when-10-v-are-applied-to-an-a-c-circuit-2-c-the-current-flowing-in-it-is-100-m-a-it-impedance-is-3-a_-_100-3-f