12th Class Physics Past Paper MCQS 2017 Group 1 Test Lahore Board

at-k-3-d-0-semi-conductors-are-3-a_-_perfect-insulators,energy-stored-per-unit-volume-in-magnetic-field-is-called-3-a_-_energy-density,filament-in-cro-3-a_-_emits-electrons,in-e-2-80-9-cn-e-2-80-9-d-type-material-2-c-the-minority-charge-carriers-are-3-a_-_holes,power-dissipated-in-a-pure-inductor-is-3-a_-_zero,radiations-emitted-by-human-body-at-normal-temperature-37-c-2-b-0-c-lies-in-3-a_-_infrared-region,s-i-unit-of-strength-of-electric-field-is-3-a_-_n-2-fc,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-galvanometer-can-be-made-sensitive-by-making-the-factor-banc-3-a_-_large,the-number-of-neutron-present-in-a-nucleus-in-a-given-by-3-a_-_n-3-d-a-e-2-80-93-z,the-numerical-value-of-black-colour-in-carbon-resistors-is-3-a_-_0,the-peak-to-peak-voltage-is-3-a_-_2-v-3-csub-3-eo-3-c-2-fsub-3-e,the-size-of-base-in-a-transistor-is-3-a_-_10-3-csup-3-e-6-3-c-2-fsup-3-em,the-types-of-quacks-are-3-a_-_6,the-value-of-plank-e-2-80-99-s-constant-h-is-3-a_-_6-63-c-3-9710-3-csup-3-e-34-3-c-2-fsup-3-e-js,the-working-principle-of-transformer-is-3-a_-_mutual-induction,which-one-is-photo-conductor-3-f_-_selenium