If a periodic pulse waveform is applied to an RC differentiating circuit, which two conditions are possible?

• tw ≥ 5Τ or tw > 5Τ
• tw = 5Τ or tw > 5Τ
• tw ≤ 5Τ or tw < 5Τ
• tw ≥ 5Τ or tw < 5Τ