Related Questions

A wrist grounding strap contains which of the following:
A Surge protector
B Capacitor
C Voltmeter
D Resistor
E None of the above
Generally grounding is provided for
A only for the safety of the equipment
B only for the safety of the operating personnel
C both (A) and (B)
D none of the above
The objective of earthing or grounding is
A to provide as low resistance possible to the ground
B to provide as high resistance possible to the ground
C to provide flow of positive, negative and zero sequence currents
D none of the above
Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance?
A P = I2R
B P = IE
C P = E2/R
D I = P/E
E None of the above
Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current?
A P = IE
B P = E2/R
C P = I2R
D I = P/E
E None of the above
When drain voltage equals the pinch-off-voltage, then drain current ___________ with the increase in drain voltage
A decreases
B increases
C remains constant
D none of the above
In a Y-connected circuit, between each line voltage and the nearest phase voltage, there is a phase angle of
A 0°
B 30°
C 60°
D 120°
A practical formula for determining the thickness of insulation between low voltage and high voltage windings is
A 1 + 0.2 kV mm
B 2 + 0.5 kV mm
C 4 + 0.7 kV mm
D 5 + 0.9 kV mm
In a CE amplifier, the phase difference between voltage across collector load RC and signal voltage is ___________
A 180°
B 270°
C 90°
D 0°
নয়টি বেলনাকৃতির তার, যাদের প্রতিটির ব্যাস d ও দৈর্ঘ্য L, একত্রে শ্রেণি সজ্জায় সংযুক্ত আছে। সজ্জাটির রোধ যদি একটি L দৈর্ঘ্যের বেলনাকৃতির তারের রোধের সমান হয়, তবে তারটির ব্যাস কত? (Nine cylindrical wires each of diameter d and length L are connected in series. If the resistance of the connection is equal to the resistance of another cylindrical wire of length L, then what is the diameter of the wire?)
A 3d
B 9d
C d3
D d9

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