एक तार के प्रतिरोध का मापन (6 ± 0.5 %) ohm प्राप्त होता है। तो मापन का निरपेक्ष त्रुटि है _ (a) 0.03 ohm (b) 0.3 ohm (c) 0.02 ohm (d) 0.2 ohm

In the circuit given E = 6.0 V, R_(1) = 100 ohms, R_(2) = R_(3) = 50 ohms, R_(4) = 75 ohms . The equivalent resistance of the circuit, in ohms, is

If two resistors of R_(1) and R_(2) ohms are connected in parallel in an electric circuit to make an R ohm resistor, the value of R can be found from the equation, (1)/(R)=(1)/(R_(1))+(1)/(R_(2)) If R_(1) is decreasing at the rate of 1 ohm/sec and R_(2) i increasing at the rate of 0.5 ohm/sec, at what rate is R changing when R_(1)=75 ohm and R_(2)=50 ohm ?

A cell of emf 6 V and resistance 0.5 ohm is short circuited. The current in the cell is

Two batteries A and B each of e.m.f. 2 V are connected in series to an external resistance R = 1 ohm . If the internal resistance of battery A is 1.9 ohms and that of B is 0.9 ohm , what is the potential difference between the terminals of battery A

A cell of two volt and 1.5 ohm internal resistance is connected to two ends of a 100 metre wire. The resistance of wire is 0.005 ohm//m . The potential gradient of the wire is