Two resistances are connected in two gaps of Meter Bridge. The balance – McqOptions

MCQOPTIONS

1.	Two resistances are connected in two gaps of Meter Bridge. The balance is 20cm from the zero end. A resistance of 15 ohms is connected in series with the smaller of the two. The null point shifts to 40cm. What is the value of the bigger resistance?
A.	9
B.	18
C.	27
D.	36
Answer» E.

Discussion

No Comment Found

Related MCQs

Which error is removed when the known and unknown resistances are interchanged in a Meter Bridge?
The sensitivity of the meter bridge is at the peak when all resistors have the same order.
A resistance of 5 ohms is connected across the gap of a Meter Bridge and an unknown resistance, greater than 5 ohms, is connected across the other gap. When these resistances are interchanged, the balance point shifts by 50 cm. Neglecting any correction, what is the unknown resistance? The length of the wire is 150 cm.
What is the effect on null deflection of galvanometer, when the radius of the wire is tripled?
Two resistances are connected in two gaps of Meter Bridge. The balance is 20cm from the zero end. A resistance of 15 ohms is connected in series with the smaller of the two. The null point shifts to 40cm. What is the value of the bigger resistance?