WorksheetsElectricity
Total questions: 10
Worksheet time: 7mins
1-A, 2-C, 3-B, 4-D
1-D, 2-A, 3-C, 4-B
1-C, 2-B, 3-D, 4-A
1-B, 2-D, 3-A, 4-C
1-A, 2-C, 3-B, 4-D
1-B, 2-D, 3-A, 4-C
1-C, 2-B, 3-D, 4-A
1-D, 2-A, 3-C, 4-B
1-A, 2-C, 3-B, 4-D
1-D, 2-A, 3-C, 4-B
1-C, 2-B, 3-D, 4-A
1-B, 2-D, 3-A, 4-C
1-D, 2-A, 3-C, 4-B
1-A, 2-C, 3-B, 4-D
1-B, 2-D, 3-A, 4-C
1-C, 2-B, 3-D, 4-A
The rate of electric energy loss in a thermal device due to resistance R is given by:
A. P = I2/R
B. P = V2/R
C. P = I2/V
D. P = V/I
A and B
B and C
A and D
A and C
Three bulbs of 100 W, 200 W and 60 W are connected in series to the main supply of 220 V. The current will be:
A. Equal in 100 W and 200 W.
B. Equal in 200 W and 60 W.
C. Different in all bulbs.
D. None of the above
A,B and C
B and D
A and C
A and B
Manganin is an alloy of:
A. Copper
B. Manganese
C. Nickel
D. Platinum
A and C
All of these
A and B
A, B and C
Which of the following statements is/are incorrect?
A. A neutron has a positive charge of + 1.6 × 10−19 C
B. An ammeter is a low resistance device.
C. Resistance of semiconductors decreases with temperature.
D. One ampere is equal to 10−6 uA.
A, B and C
A and D
A and C
A and B
Which of the following statements are correct about resistance?
A. Resistance of a conductor is directly proportional to the length.
B. Resistance of a conductor is directly proportional to the area of cross-section.
C. Resistance of a conductor depends on the nature of the material.
D. Resistance of conductor is inversely proportional to the length.
A ,B and D
A and C
A and B
A and D
Which of the following charges is possible?
A. 1.6 × 10−19C
B. 3.2 × 10−19C
C. 6.4 × 10−19C
D. 0.8 × 10−19C
All of these
A ,B and C
A and C
B and C
