A. copper
B. kanthal
C. manganin
D. nichrome
Related Mcqs:
- Which of the following materials is used for making coils of standard resistances ?
A. Copper
B. Nichrome
C. Platinum
D. Manganin - Steel wire is used as____________?
A. overhead telephone wire
B. earth wire
C. core wire of ACSR
D. all of the above - In conductors conduction of electricity takes place due to movement of_______________?
A. electrons only
B. positive ions only
C. negative ions only
D. positive and negative ions
E. none of the above - is a negatively charged particle present in an atom______________?
A. Proton
B. Neutron
C. Electron
D. None of the above - Superconductors are becoming popular for use in________________?
A. generating very strong magnetic field
B. manufacture of bubble memories
C. generating electrostatic field
D. generating regions free from magnetic field - __________ is the main constituent of glass?
A. Fe203
B. Si02
C. AI2O3
D. B2O3 - Most of the common metals have _________ structure?
A. linear
B. hexagonal
C. orthorhombic
D. cubic - In graphite, bonding is____________?
A. covalent
B. metallic
C. Vander Waals
D. Vander Waals and covalent - The forbidden gap in an insulator is________________?
A. large
B. small
C. nil
D. any of the above - Selenium is __________ semiconductor?
A. extrnisic
B. intmisic
C. N-type
D. P-type
