Related Questions

Which of these is exhibiting kinetic energy?
A an archer with a flexed bow
B a person sitting on a couch while watching TV
C a space station orbiting Earth
D All of the above
An organization that is diversifying its product line is exhibiting what type of growth strategy?
A stability
B retrenchment
C growth
D maintenance
High resistivity materials are used in
A Precision instruments
B Heating elements
C Motor starters
D Incandescent lamps
E All of the above
Low resistivity materials are used in
A Transformer, motor and generator windings
B Transmission and distribution lines
C House wiring
D All above applications
Which of the following materials has the least resistivity ?
A Zinc
B Lead
C Mercury
D Copper
The rule that resistivity of conductors can be separated into two parts viz. temperature independent and temperature dependent is known as
A Matthiessen’s rule
B Debye rule
C Curie rule
D Onne’s rule
The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the 'Curie temperature'. Its value for cobalt is __________ °C.
A 768
B 1127
C 1359
D 1480
তাপমাত্রা বৃদ্ধিতে অর্ধ-পরিবাহীর রোধ(Resistivity)-
A হ্রাস পায়
B বৃদ্ধি পায়
C অপরিবর্তিত থাকে
D কোনটিই নয়
Which of the following has low resistivity?
A Nichrome
B Glass
C Ebonite
D Diamond
On which of the following factors does the resistivity of a material depend ?
A Resistance of the conductor
B Area of the conductor section
C Length of the conductor
D All of the above

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