101. Which instrument is used to measure the power of electric circuit ?
A. Wavemeter
B. Viscometer
C. Wattmeter
D. None of these
102. A turbine is tripped when ?
A. inlet pressure increase
B. speed shoots up
C. exhaust gets choked
D. steam flow gets clogged
103. 1 Coulomb = ___________ e.
A. 6×10-19
B. 6.25×1018
C. 1.6×1019
D. 6.25×10-18
104. Which of the following is the major consideration to evolve a good design?
A. Cost
B. Durability
C. Compliance with performance criteria as laid down in specifications
D. All of the above
105. The value of the capacitance depends upon the________________?
A. voltage applied
B. thickness of the capacitor plates
C. geometry of the capacitor
D. dinsity of the capacitor plates
106. Potential difference is the work done in moving unit positive charge form one point to another________________?
A. in the direction of electric intensity
B. against electric intensity
C. in any direction
D. in the direction of electric flux
107. A hollow metallic sphere of 8cm diameter is charged with 4 x 10 8C. The potential on its surface will be_________________?
A. 900 volts
B. 9000 volts
C. 90 volts
D. zero
108. If free space between the plates of a capacitor is replaced by a dielectric_____________?
A. The potential difference remains constant capacittance and energy stored increases
B. The potential difference remains constant capacittance decreases and energy increases
C. The potential difference decreases but both capacitance and energy increase
D. both potential difference and capacitance decrease but energy increases
110. The electric lines of force are____________?
A. imaginary
B. physically existing every where
C. physically existing near the charges
D. depends upon case