Measurement and Instrumentation To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to ± 2.5% ± 20% ± 1.5% ± 7.5 % ± 2.5% ± 20% ± 1.5% ± 7.5 % ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most sensitive galvanometer is Vibration galvanometer Elastic galvanometer Duddle galvanometer Spot ballastic galvanometer Vibration galvanometer Elastic galvanometer Duddle galvanometer Spot ballastic galvanometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The quantity 1/√(∈0 × μ0) in SI units has the both ‘a’ and ‘b’. speed of light. dimension LT-1. none of these. both ‘a’ and ‘b’. speed of light. dimension LT-1. none of these. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A. 4 5 1 2 4 5 1 2 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative permittivity can be measured by _______ bridge Desautys. Wheatstones. Hays. Schering. Desautys. Wheatstones. Hays. Schering. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion (A): A hot wire ammeter has a cramped scale. Reason (R): The heat is proportional to square of current. A is false and R is ture. Both A and R are true and R is correct explanation of A. Both A and R are true and R is not correct explanation of A. A is ture and R is false. A is false and R is ture. Both A and R are true and R is correct explanation of A. Both A and R are true and R is not correct explanation of A. A is ture and R is false. ANSWER DOWNLOAD EXAMIANS APP
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