The switch in the circuit shown below is in position 1 for a long time. At time t = 0, it is moved to position 2. The value of VR at t = 0+ is
1
-50 V
2
-100 V
3
+50 V
4
-150 V
The switch in the circuit shown below is in position 1 for a long time. At time t = 0, it is moved to position 2. The value of VR at t = 0+ is