The windings of a transformer are divided into several coils because
It reduces voltage per coil
Two tuning forks of frequencies 256 and 258 vibrations/second are sounded together. Then the time interval between two consecutive maxima heard by an observer is?
0.5 sec
The type of rotary compressor used in aeroplanes, is of
axial flow type
The hardness is the property of a material due to which it
can cut another metal
All of the following are basic op-amp input modes of operation EXCEPT
inverting mode
According to Coulombs wedge theory, the active earth pressure slides the wedge
down and outwards on a slip surface
The truth table for an S-R flip-flop has how many VALID entries?
3
Two capacitors of capacitances 3 JlF and 6 JlF are charged to a potential of 12 Veach. They are now connected to each other, with the positive plate of each jOined to the negative plate of the other. The potential difference across each will be
4 V
Which instrument is used to measure altitudes in aircraft's ?
Altimeter
All electrical appliances are connected in parallel to each other between the main line and the neutral wire to get?
different current and the same potential difference
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