61. Using mechanical chopper we cannot achieve high chopping rates due to their
62. An ammeter has a resistance of G ohms and range of I amperes. The value of resistance required in parallel to convert it into an ammeter of range nI is ___________.
63. A voltmeter has a resistance of G ohms and range V volts. The value of resistance required in series to convert it into voltmeter of range nV is ___________.
64. _____________ is also known as halftone storage or mersh storage.
65. The sensitivity of a multimeter is given in ___________.
66. An electrometer amplifier has high input impedance of
67. Venturi is associated with
68. The decibel is a measure of
69. When the input of differential amplifier V1 = 0, then the differential amplifier is said to be operated in
70. When either one of the inputs to the differential amplifier is equal to zero then it is said to be operated in
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