Question: Cylindrical windings using circular conductors, employed in transformers, are_____________?

• 1. single layered
• 2. double layered
• 3. multi-layered
• 4. none of the above

Question: The cold rolled grain oriented steel has _________ permeability in the direction of the grain orientation?

• 1. minimum
• 2. maximum
• 3. nil
• 4. none of the above

Question: The input impedance of a JFET is _____________that of an ordinary transistor?

• 1. equal to
• 2. less than
• 3. more than
• 4. none of the above

Question: Which of the following is the major consideration to evolve a good design?

• 1. Cost
• 2. Durability
• 3. Compliance with performance criteria as laid down in specifications
• 4. All of the above

Question: 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______________?

• 1. nG
• 2. (n-1)G
• 3. G/(n-1)
• 4. G/n

Question: A CRO is used to measure _________________?

• 1. Voltage
• 2. Frequency
• 3. Phase
• 4. All of above

Question: 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________________?

• 1. nG
• 2. G/n
• 3. G/(n-1)
• 4. (n-1)G

Question: Which of the following is likely to have the largest resistance ?

• 1. Voltmeter of range 10 V
• 2. Moving coil galvanometer
• 3. Ammeter of range 1 A
• 4. A copper wire of length 1 m and diameter 3 mm

Question: The resistance of an ideal voltmeter is ______________?

• 1. Low
• 2. Infinite
• 3. Zero
• 4. High

Question: If 2% of the main current is to be passed through a galvanometer of resistance G, then resistance of the shunt required is ________________?

• 1. G/50
• 2. G/49
• 3. 49 G
• 4. 50 G