Navigate

A 1Ω resistance in series with an ammeter is balanced by 75 cm of potentiometer wire

A 1Ω resistance in series with an ammeter is balanced by 75 cm of potentiometer wire. A standard cell of emf 1.02 V is balanced by 50 cm. The ammeter shows a reading of 1.5A. Then, the error in ammeter reading is

Options

(a) 0.03A
(b) 3A
(c) 1.3A
(d) 0.3A

Correct Answer:

0.03A

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

EAMCET2015
admin:

Related Questions

  1. A 50Hz AC signal is applied in a circuit of inductance of (1/π)H and resistance 2100Ω
  2. In some region, gravitational field is zero. The gravitational potential
  3. A charged particle (charge q) is moving in a circle of radius R with uniform speed v
  4. C and Si both have same lattice strcture, having 4 bonding electron in each
  5. If seperation between screen and source is increased by 2%. What would be the effect