A thermistor and a light-dependent resistor (LDR) are linked in series. A potential difference (p.d.) of $6.0\,\text{V}$ is applied across the pair, as illustrated. The thermistor's resistance is $6000\,\Omega$ in a cold room and $1000\,\Omega$ in a warm room. The LDR's resistance is $2000\,\Omega$ in dim light and $500\,\Omega$ in bright light. Under which conditions is the p.d. across the LDR equal to $2.0\,\text{V}$?
- Ain a cold room with bright light
- Bin a cold room with dim light
- Cin a warm room with bright light
- Din a warm room with dim light