Measurement and Instrumentation What is the approximate input impedance of a CRO? 0 10 MΩ 1 MΩ 100 MΩ 0 10 MΩ 1 MΩ 100 MΩ ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC instrument can be used as flux meter By eliminating the control springs By using a low resistance shunt By making control springs of large moment of inertia By using a high series resistance By eliminating the control springs By using a low resistance shunt By making control springs of large moment of inertia By using a high series resistance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC A-h meter is rated for 15 A, 250 V. The meter constant is 14.4 A-sec/rev. The meter constant at rated voltage may be expressed as 3600 rev/KWh. 3750 rev/KWh. 1000 rev/KWh. 960 rev/KWh. 3600 rev/KWh. 3750 rev/KWh. 1000 rev/KWh. 960 rev/KWh. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance in the circuit of the moving coil of a dynamometer wattmeter should be Almost zero None of the listed here High Low Almost zero None of the listed here High Low ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In flux meter, the controlling torque is produced by weight attached to the moving coil. crossed coil mechanism. not provided at all. spring. weight attached to the moving coil. crossed coil mechanism. not provided at all. spring. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for momentum? force × displacement mass × velocity change of velocity / time mass × acceleration force × displacement mass × velocity change of velocity / time mass × acceleration ANSWER DOWNLOAD EXAMIANS APP
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