The formula __________ determines the number of electrons that can be accommodated in any level?
(A) 2n2
(B) 4n2
(C) 2n3
(D) 4ns
The converse of hardness is known as______________?
(A) malleability
(B) toughness
(C) softness
(D) none of the above
is a negatively charged particle present in an atom______________?
(A) Proton
(B) Neutron
(C) Electron
(D) None of the above
When an SCR is turned on, the voltage across it is about _____________?
(A) Zero
(B) 10 V
(C) 1 V
(D) 1 V
An SCR is a ____________ triggered device?
(A) Voltage
(B) Current
(C) Voltage as well as current
(D) None of the above
An SCR is made of silicon and not germanium because silicon _________________?
(A) Is inexpensive
(B) Is mechanically strong
(C) Has small leakage current
(D) Is tetravalent
In an SCR circuit the supply voltage is generally ___________ that of breakover voltage?
(A) Equal to
(B) Less than
(C) Greater than
(D) None of the above
The normal way to turn on a SCR is by______________?
(A) Breakover voltage
(B) Appropriate anode current
(C) Appropriate gate current
(D) None of the above
The conductivity of a conductor can be increased by_______________?
(A) decreasing its temperature
(B) increasing its temperature
(C) decreasing its vibration
(D) increasing its vibration