PEQ The potential difference V A − V B VA-VB between the points A and B in the given figure is : The potential difference (VA - VB) between the points A and 1. -3V 2. +3V 3. +6V 4. +9V Ruhul Amin Alig
PEQ See the electrical circuit shown in this figure. Which of the following equations is a correct equation for it? 1. ε 1 − ( i 1 + i 2 ) R − i 1 r 1 = 0 ε1−(i1+i2)R−i1r1=0 2. ε 2 − i 2 r 2 − ε 1 − i 1 r 1 = 0 ε2−i2r2−ε1−i1r1=0 3. − ε 2 − ( i 1 + i 2 ) R + i 2 r 2 = 0 −ε2−(i1+i2)R+i2r2=0 4. ε 1 − ( i 1 + i 2 ) R + i 1 r 1 = 0 ε1−(i1+i2)R+i1r1=0 Ruhul Amin Alig
PEQ The figure shows a circuit when resistance in the two arms of the meter bridge are 5 and R, respectively. When the resistance R is shunted with an equal resistance, the new balance point is at 1.6 l1. The resistance 'R' is: 1. 10 2. 15 3. 20 4. 25 Ruhul Amin Alig
