Computer Programming MCQs

5739 MCQs  (Page 157 of 574)

When the load resistance equals the generator resistance which of the following will be maximum __________?
A. Current
B. Efficiency of the circuit
C. Power in the load resistance
D. Voltage across the load resistance
Cells are connected in parallel to__________?
A. Increase the efficiency
B. Increase the current capacity
C. Increase the voltage output
D. Increase the internal resistance
Satellite power requirement is provided through________?
A. Solar cells
B. Dry cells
C. Nickel-cadmium cells
D. Lead-acid batteries
In a lead-acid battery the energy is stored in the form of___________?
A. Charged ions
B. Chemical energy
C. Electrostatic energy
D. Electromagnetic energy
Which of the following factors adversely affects the capacity of the leadacid battery ?
A. Temperature of surroundings
B. Specific gravity of electrolyte
C. Rate of discharge
D. All of the above
A constant-voltage generator has___________?
A. Minimum efficiency
B. Minimum current capacity
C. Low internal resistance
D. High internal resistance
In alkaline cell the electrolyte is_____________?
A. Dilute sulphuric acid
B. Concentrated sulphuric acid
C. Naoh
D. Koh
For making a capacitor, it is better to select a dielectric having___________?
A. Low permittivity
B. High permittivity
C. Permittivity same as that of air
D. Permittivity slightly more than that of air