Users Also Read
Read rapid fire / short notes
MCQ's Search Engine
D.C.Basic
A.C.Basic
D.C.Machine
A.C.Machine
A.C. Fundamentals
Alternators
Basic Electricity
Control Systems
D.C. Generators
D.C. Motors
Economics of Power Generation
Electric Heating
Electric Traction
Electric Welding
Electrical Engineering Materials
Electrical Installation and Wiring
Electrical Machine Design
Electrostatics
Electrolysis and Storage of Batteries
Electromagnetic Induction
Industrial Drives
Magnetic Circuit & Electromagnetism
Measurement and Instrumentation
Network Theorems And Circuit Theory
Polyphase Induction Motors
Resistance and Ohm's law
Rectifiers and Converters
Refrigeration and Air conditioning
Single Phase Induction Motors
Switchgear and Protection
Synchronous Motors
Transformers
Transmission & Dist. of Elect. Power
Home⇒ Engineering⇒
Illumination
Note:- You can add tough questions into your favourite list for second revision. |
What percentage of the input energy is radiated by filament lamps ? | |
A. | 2 to 5 percent [Wrong Answer] |
B. | 10 to 15 percent [Correct Answer] |
C. | 25 to 30 percent [Wrong Answer] |
D. | 40 to 50 percent [Wrong Answer] |