Why should a resistance be introduced in a circuit in series deliberately ?
A. to increase current
B. to decrease current
C. to control current
D. just to give a good look to circuit
A. to increase current
B. to decrease current
C. to control current
D. just to give a good look to circuit
A. nature of conductor
B. dimension of conductor
C. physical state of the conductor
D. all of above
A. Taking zero correction
B. Comparing the instrument with another more accurate one
C. Taking mean of several measurements
D. All methods explained in A, B and C
A. 273°C at 6.11 Kpa
B. 273K at 61.6 Kpa
C. 273.16°C at 0.611 Kpa
D. 273.16K at 750 Kpa
A. 332 ms-1
B. 320 ms-1
C. Zero
D. 224 ms-1
A. Turning effect of force
B. Cross product of position vector and force
C. Product of force and moment arm
D. All A, B and C are correct
A. light form fluorescent tube
B. light form neon lamp
C. light form sodium lamp
D. light form simple lamp