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The Electric intensity near an infinite plate of positive charge will be ---- : q / E 0, q / 2 E 0, Q /A, None Of These
One Electron Volt is equal to ----- : 6.25 X 12 ^ 18 Joule, 6.25 X 12 ^ -18 Joule, 1.6 X 12 ^ -19 Joule, 1.6 X 12 ^ 18 Joule
Ceramic materials exhibit super-conductivity at ----- : 0 ° C, 273 K, 60 K, 30 K
Which electric bulb has the least resistance ? 60 Watts, 100 Watts, 200 Watts, 500 Watts
The gride in CRO ------- : Controls the number of electrons accelerated by anode, Control the brightness of the spot fall on t
The frequency of A,C used in pakistan is ---- : 60 CPS, 50 CPS, 100 CPS, 120 CPS
Potentiometer can be used as ------ : Ohm meter, Ammeter, Galvanometer, Potential Divider
N-type germanium is obtain by doping intrinsin germanium with ---- : Tetravalent impurity atom, Trivalent impurity atom, Pentavalent impurity atom, Hexavalent impurity a
Emission of electron by metal on heating is called : Secondary Emission, Field effect, Photoelectric Emission, Thermionic Emission
Which of the following is NOT basic operation of Boolean Variable ? Yes Operation, NOT Operation, AND Operation, OR Operation
When X-rays are passed though sucessive aluminum sheet their hardness Decreases, Increase, Remains the same, None Of These
If the ionization energy of hydrogen atom is 13.6 eV its ionization potential will be ----- : 13.6 V, 136.0 V, 3.4 V, None Of These
One amu is equal to ----- : 931 MeV, 9.31 MeV, 93.1 MeV, 0.931 MeV
Cobalt 60 emits gamma rays of energy ---- : 117 MeV, 11.7 MeV, 1.17 MeV, 1.17 MeV
Which of the following statement is Correct ? Moderators slow down the neutrons, Moderators Bring the neutrons to rest , Moderators absorb the