12th Class Physics Past Paper MCQS 2019 Group 1 Test Lahore Board

commutators-are-used-in-3-a_-_d-c-generator,if-charged-body-is-moved-against-the-electric-field-2-c-it-will-gain-3-a_-_electrical-potential-energy,in-p-type-substance-2-c-the-majority-charge-carriers-are-3-a_-_holes,resistance-of-choke-is-3-a_-_very-small,sec-2-f-ohm-is-equal-to_-_farad,the-common-emitter-current-amplification-factor-ce-b-2-is-given-by-3-a_-_i-3-csub-3-ec-3-c-2-fsub-3-e-2-fi-3-csub-3-eb-3-c-2-fsub-3-e,the-energy-of-photon-is-given-by-3-a_-_hf,the-energy-of-the-4th-orbit-in-hydrogen-atom-is-3-a_-_00-85-ev,the-factor-h-2-fm-3-csub-3-eo-3-c-2-fsub-3-ec-in-compton-equation-has-the-dimension-of-3-a_-_length,the-gain-of-non-inverting-amplifier-is-3-a_-_1-2-br-3-csub-3-e-2-3-c-2-fsub-3-e-2-fr-3-csub-3-e-1-3-c-2-fsub-3-e,the-magnetic-force-is-simply-a-3-a_-_deflecting-force,the-number-of-neutron-in-3-csup-3-e-235-3-c-2-fsup-3-e-3-csub-3-e-92-3-c-2-fsub-3-eu-is-3-a_-_146,the-sum-of-positive-and-negative-peak-value-is-called-3-a_-_p-p-value,the-unit-of-e-nc-3-csup-3-e-1-3-c-2-fsup-3-e-and-that-of-b-is-na-3-csup-3-e-1-3-c-2-fsup-3-e-m-3-csup-3-e-1-3-c-2-fsup-3-e-then-the-unit-of-e-2-fb-is-3-a_-_ms-3-csup-3-e-1-3-c-2-fsup-3-e,to-construct-a-step-up-transformer-3-a_-_n-3-csub-3-es-3-c-2-fsub-3-e-26-gt-3-b-n-3-csub-3-ep-3-c-2-fsub-3-e,when-a-wire-of-resistance-r-is-cut-in-two-equal-parts-its-resistance-becomes-r-2-what-happens-to-resistivity-3-a_-_same,x-rays-are-the-electromagnetic-radiations-having-the-wavelength-in-range-3-a_-_10-3-csup-3-e-12-3-c-2-fsup-3-e-m