Related Questions

High resistivity materials are used in
A Precision instruments
B Heating elements
C Motor starters
D Incandescent lamps
E All of the above
Which of the following materials has the least resistivity ?
A Zinc
B Lead
C Mercury
D Copper
Materials exhibiting zero value of resistivity are known as ______ .
A conductors
B semiconductors
C insulators
D superconductors
Which of the following has low resistivity?
A Nichrome
B Glass
C Ebonite
D Diamond
A company produces five types of shirts -- A,B,C,D and E-using cloth of three qualities -- high, medium and low , using dyes of three qualities-- high, medium and low. One shirt requires 1.5 m of cloth .The following table gives respectively : The number of shirts (of each category) produced, in thousands. The percentage distribution of cloth quality in each type of shirt, and The percentage distribution of dye quality in each type of shirt. What is the ratio of low quality dye used for C-type shirts to that used for D-type shirts ?
A 2:3
B 1:2
C 2:1
D 3:2
A company produces five types of shirts -- A,B,C,D and E-using cloth of three qualities -- high, medium and low , using dyes of three qualities-- high, medium and low. One shirt requires 1.5 m of cloth .The following table gives respectively : The number of shirts (of each category) produced, in thousands. The percentage distribution of cloth quality in each type of shirt, and The percentage distribution of dye quality in each type of shirt. How many meters of low-quality cloth is consumed?
A 40,00 m
B 60,000 m
C 46,500 m
D 22,500 m
With an RS latch a high S and low R sets the output to _____ ; a low S and a high R _____ the output to low.
A No change, set
B Race, high
C high, reset
D set, reset
E None of the above
Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. It is a/an
A Insulator
B Conductor
C Solid semi-conductor
D Liquid semi-conductor
তাপমাত্রা বৃদ্ধিতে অর্ধ-পরিবাহীর রোধ(Resistivity)-
A হ্রাস পায়
B বৃদ্ধি পায়
C অপরিবর্তিত থাকে
D কোনটিই নয়
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

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